60 tools

Color formats

60 free color formats tools, all running in your browser with no sign-up.

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HEX to RGB converterConvert HEX color codes such as #1E90FF into RGB values, with separate R, G and B channels and a CSS rgb() line. Updates as you type.
RGB to HEX converterConvert RGB values from 0 to 255 into six-digit HEX codes, with a copy-ready CSS color line. Updates as you type.
HEX to HSL converterConvert HEX color codes such as #1E90FF into HSL values, with hue, saturation and lightness plus a CSS hsl() line. Updates as you type.
HSL to HEX converterConvert HSL colors (hue, saturation, lightness) into six-digit HEX codes, with a copy-ready CSS color line. Updates as you type.
RGB to HSL converterConvert RGB values from 0 to 255 into HSL values, with hue, saturation and lightness plus a CSS hsl() line. Updates as you type.
HSL to RGB converterConvert HSL colors (hue, saturation, lightness) into RGB values, with separate R, G and B channels and a CSS rgb() line. Updates as you type.
RGB to CMYK converterConvert RGB values from 0 to 255 into naive CMYK values, with C, M, Y and K channels plus the matching HEX. Updates as you type.
CMYK to RGB converterConvert CMYK percentages into RGB values, with separate R, G and B channels and a CSS rgb() line. Updates as you type.
HEX to CMYK converterConvert HEX color codes such as #1E90FF into naive CMYK values, with C, M, Y and K channels plus the matching HEX. Updates as you type.
CMYK to HEX converterConvert CMYK percentages into six-digit HEX codes, with a copy-ready CSS color line. Updates as you type.
RGB to HSV (HSB) converterConvert RGB values from 0 to 255 into HSV (HSB) values, with hue, saturation and value plus the matching HEX. Updates as you type.
HSV (HSB) to RGB converterConvert HSV or HSB colors into RGB values, with separate R, G and B channels and a CSS rgb() line. Updates as you type.
HEX to HSV (HSB) converterConvert HEX color codes such as #1E90FF into HSV (HSB) values, with hue, saturation and value plus the matching HEX. Updates as you type.
HSV (HSB) to HEX converterConvert HSV or HSB colors into six-digit HEX codes, with a copy-ready CSS color line. Updates as you type.
HSL to HSV (HSB) converterConvert HSL colors (hue, saturation, lightness) into HSV (HSB) values, with hue, saturation and value plus the matching HEX. Updates as you type.
HSV (HSB) to HSL converterConvert HSV or HSB colors into HSL values, with hue, saturation and lightness plus a CSS hsl() line. Updates as you type.
HSL to CMYK converterConvert HSL colors (hue, saturation, lightness) into naive CMYK values, with C, M, Y and K channels plus the matching HEX. Updates as you type.
CMYK to HSL converterConvert CMYK percentages into HSL values, with hue, saturation and lightness plus a CSS hsl() line. Updates as you type.
HSV (HSB) to CMYK converterConvert HSV or HSB colors into naive CMYK values, with C, M, Y and K channels plus the matching HEX. Updates as you type.
CMYK to HSV (HSB) converterConvert CMYK percentages into HSV (HSB) values, with hue, saturation and value plus the matching HEX. Updates as you type.
HEX to Lab converterConvert a HEX color code to CIELAB L*, a*, b* values with a D65 or D50 reference white, using exact IEC sRGB decoding.
RGB to Lab converterEnter red, green and blue values from 0 to 255 and get CIELAB L*, a*, b* with a D65 or D50 reference white.
Lab to HEX and RGB converterTurn CIELAB L*, a*, b* values into an sRGB HEX code and RGB values, with a warning when the color is outside the displayable gamut.
HEX to XYZ converterGet CIE XYZ tristimulus values (D65) and x, y chromaticity for any HEX color, using exact IEC 61966-2-1 sRGB decoding.
RGB to XYZ converterConvert RGB values from 0 to 255 into CIE XYZ (D65) tristimulus values plus x, y chromaticity, based on the sRGB standard.
XYZ to HEX and RGB converterEnter CIE XYZ values relative to D65 on a 0-100 scale and get the sRGB HEX code and RGB values, with a gamut check.
XYZ to Lab converterConvert CIE XYZ to CIELAB with the official CIE formulas, choosing a D65 or D50 reference white from ASTM or sRGB values.
HEX to LCH converterGet CIE LCH lightness, chroma and hue angle for any HEX color with a D65 or D50 white, plus CSS lch() syntax for D50.
LCH to HEX and RGB converterConvert CIE LCH lightness, chroma and hue into an sRGB HEX code and RGB values, and see whether the color fits the sRGB gamut.
Lab to LCH converterConvert CIELAB L*, a*, b* coordinates into polar LCH: lightness, chroma and hue angle in degrees.
LCH to Lab converterConvert LCH lightness, chroma and hue back to Cartesian CIELAB L*, a*, b* using the cosine and sine of the hue angle.
HEX to OKLab converterConvert a HEX code into OKLab L, a, b values and a ready oklab() CSS string, using the original Björn Ottosson matrices.
OKLab to HEX and RGB converterConvert OKLab L, a, b values from a CSS oklab() color into an sRGB HEX code and RGB values, with an out of gamut warning.
HEX to OKLCH converterConvert a HEX code into OKLCH lightness, chroma and hue, with an oklch() string ready to paste into your CSS.
OKLCH to HEX and RGB converterConvert CSS oklch() lightness, chroma and hue into an sRGB HEX code and RGB values, with a gamut check.
RGB to OKLCH converterEnter RGB values from 0 to 255 and get OKLCH lightness, chroma and hue with an oklch() string for modern CSS.
Delta E CIE76 calculatorCalculate the CIE76 color difference ΔE*ab between two Lab colors, the straight-line distance, with ΔL*, Δa* and Δb*.
Delta E CIE94 calculatorCalculate the CIE94 color difference between a reference and a sample in Lab, with graphic arts or textile weights from CIE 116.
Delta E 2000 (CIEDE2000) calculatorCalculate the CIEDE2000 color difference ΔE00 between two Lab colors, the metric used in print, packaging and quality control.
HEX color difference calculatorCompare two HEX colors and get the ΔE00, ΔE94 and ΔE76 color differences plus the Lab values of each, with a D65 or D50 white.
RGBA to HEX converterConvert an RGBA color with transparency into an 8-digit #RRGGBBAA HEX code ready to paste into CSS and design tools.
HEX to RGBA converterConvert a 4-digit or 8-digit HEX code into CSS rgba() with alpha from 0 to 1. Plain 3 and 6-digit codes work too.
HEX color to decimal integerTurn a HEX color code into one decimal integer from 0 to 16777215, the form used by Discord embeds, databases and some APIs.
Decimal integer to HEX colorConvert a decimal color integer from 0 to 16777215 into its HEX code and rgb() so you can see a stored or Discord embed color.
HEX to Android color intConvert #RRGGBB or #AARRGGBB into the signed Android ARGB color int that Color.parseColor returns, plus the 0x literal.
Android color int to HEXConvert a signed or unsigned Android color int into #AARRGGBB, the matching CSS HEX and rgba(), to read colors from logs and code.
RGB 0-255 to 0-1 floatConvert RGB values from 0-255 into 0-1 floats as used by Unity, Blender, OpenGL and GLSL shaders, and SwiftUI.
RGB 0-1 float to 0-255Convert 0-1 float RGB values from Unity, Blender or shaders back to 0-255 integers and a HEX code.
HWB to HEX converterConvert a CSS Color 4 HWB color (hue, whiteness, blackness) into a HEX code and rgb(), including the gray cases.
HEX to HWB converterConvert a HEX code into CSS hwb() with its hue, whiteness and blackness, so tinting or shading a color is easy.
CSS color name to HEXType any of the 148 CSS color names, such as tomato or rebeccapurple, to get its HEX code and rgb(), plus a table of every name.
HEX to nearest CSS color nameEnter a HEX code to find the nearest of the 148 CSS color names and how close it is in Delta E, with the 5 closest alternatives.
Color temperature Kelvin to RGBConvert a color temperature from 1000 K to 40000 K into an approximate RGB and HEX color to simulate warm and cool light.
Wavelength nm to RGB colorConvert a visible light wavelength from 380 to 780 nm into an approximate RGB and HEX color, with the spectral color band.
HEX to RGB percentConvert a HEX code into percentage rgb(), such as rgb(100%, 50.2%, 0%), as accepted by CSS and some design and print apps.
RGB percent to HEXConvert RGB values written as percentages from 0% to 100% into a HEX code and a 0-255 rgb() string.
HSL to HSLA converterAdd alpha to an HSL color to get hsla(), the modern hsl( / alpha) syntax, the matching 8-digit HEX and rgba().
Invert colorInvert any HEX color to get its negative by subtracting each channel from 255, keeping alpha when the code has 8 digits.
Complementary color finderFind the complementary color of any HEX code: the opposite on the color wheel, hue rotated 180 degrees with saturation and lightness kept.
RGBA to RGB on a backgroundFlatten a semi-transparent RGBA color into the solid RGB it looks like over a background you choose, for places without alpha.