#636B16#636B16

#636B16 is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.5% C 0.105 H 115.0°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#636B16
RGB	rgb(99, 107, 22)
HSL	hsl(66, 66%, 25%)
HSV	hsv(66, 79%, 42%)
CMYK	cmyk(7.5%, 0%, 79.4%, 58%)
CIE-LAB	lab(43.10, -14.47, 43.18)
CIE-LCH	lch(43.10, 45.54, 108.53°)
OKLab	oklab(50.46% -0.0442 0.0949)
OKLCH	oklch(50.46% 0.105 115)
XYZ	xyz(10.5484, 13.2262, 2.7561)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636B16 #1E166B

analogous

#6B4816 #636B16 #386B16

triadic

#636B16 #16636B #6B1663

tetradic

#636B16 #166B48 #1E166B #6B1638

square

#636B16 #166B48 #1E166B #6B1638

split-complementary

#636B16 #16386B #48166B

monochromatic

#171905 #34380C #636B16 #929E20 #C1D12B

Accessibility & contrast

On white

5.76

#636B16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#636B16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636B16

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636B16	#FFFFFF	#000000	##FFFFFF
##636B16	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736503

Deuteranopia (green-blind)

#73661D

Tritanopia (blue-blind)

#6A645B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #636b16;
/* rgb */ color: rgb(99, 107, 22);
/* oklch */ color: oklch(50.5% 0.105 115.0);

Tailwind

colors: {
  custom: {
    50: '#92955b',
    500: '#636b16',
    950: '#000000',
  },
}

SCSS

$custom: #636b16;
$custom-light: #92955b;
$custom-dark: #000000;

JSON

{
  "hex": "#636b16",
  "rgb": {
    "r": 99,
    "g": 107,
    "b": 22
  },
  "hsl": {
    "h": 65.647,
    "s": 65.891,
    "l": 25.294
  },
  "oklch": {
    "l": 0.50455,
    "c": 0.1047,
    "h": 115
  },
  "luminance": 0.13226
}

Semantic roles & 50–950 ramp

primary

#636B16

secondary

#453BA1

accent

#3FE94F

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636B16

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

Preview Lab → · Contrast checker → · Palette generator →