#66631A#66631A

#66631A is a mid, moderate yellow. Relative luminance 0.118; OKLCH L 48.8% C 0.092 H 107.0°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#66631A
RGB	rgb(102, 99, 26)
HSL	hsl(58, 59%, 25%)
HSV	hsv(58, 75%, 40%)
CMYK	cmyk(0%, 2.9%, 74.5%, 60%)
CIE-LAB	lab(40.93, -8.36, 39.66)
CIE-LCH	lch(40.93, 40.53, 101.90°)
OKLab	oklab(48.79% -0.027 0.0881)
OKLCH	oklch(48.79% 0.092 107)
XYZ	xyz(10.1282, 11.8234, 2.7257)
Luminance	0.1182 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66631A #1A1D66

analogous

#663D1A #66631A #43661A

triadic

#66631A #1A6663 #631A66

tetradic

#66631A #1A663D #1A1D66 #661A43

square

#66631A #1A663D #1A1D66 #661A43

split-complementary

#66631A #1A4366 #3D1A66

monochromatic

#181806 #35340E #66631A #979226 #C8C233

Accessibility & contrast

On white

6.24

#66631A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#66631A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66631A

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66631A	#FFFFFF	#000000	##FFFFFF
##66631A	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C5F0E

Deuteranopia (green-blind)

#6D621F

Tritanopia (blue-blind)

#6E5C55

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #66631a;
/* rgb */ color: rgb(102, 99, 26);
/* oklch */ color: oklch(48.8% 0.092 107.0);

Tailwind

colors: {
  custom: {
    50: '#948f5c',
    500: '#66631a',
    950: '#000000',
  },
}

SCSS

$custom: #66631a;
$custom-light: #948f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#66631a",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 26
  },
  "hsl": {
    "h": 57.632,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.48794,
    "c": 0.09215,
    "h": 107
  },
  "luminance": 0.11823
}

Semantic roles & 50–950 ramp

primary

#66631A

secondary

#40449C

accent

#4BE345

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #66631A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →