#636B13#636B13

#636B13 is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.4% C 0.106 H 115.0°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#636B13
RGB	rgb(99, 107, 19)
HSL	hsl(65, 70%, 25%)
HSV	hsv(65, 82%, 42%)
CMYK	cmyk(7.5%, 0%, 82.2%, 58%)
CIE-LAB	lab(43.09, -14.61, 44.19)
CIE-LCH	lch(43.09, 46.54, 108.29°)
OKLab	oklab(50.44% -0.0449 0.0964)
OKLCH	oklch(50.44% 0.106 115)
XYZ	xyz(10.5211, 13.2152, 2.6125)
Luminance	0.1321 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636B13 #1B136B

analogous

#6B4713 #636B13 #376B13

triadic

#636B13 #13636B #6B1363

tetradic

#636B13 #136B47 #1B136B #6B1337

square

#636B13 #136B47 #1B136B #6B1337

split-complementary

#636B13 #13376B #47136B

monochromatic

#181A05 #33370A #636B13 #939F1C #C3D325

Accessibility & contrast

On white

5.76

#636B13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#636B13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636B13

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636B13	#FFFFFF	#000000	##FFFFFF
##636B13	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736500

Deuteranopia (green-blind)

#73661B

Tritanopia (blue-blind)

#6A645B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #636b13;
/* rgb */ color: rgb(99, 107, 19);
/* oklch */ color: oklch(50.4% 0.106 115.0);

Tailwind

colors: {
  custom: {
    50: '#92955a',
    500: '#636b13',
    950: '#000000',
  },
}

SCSS

$custom: #636b13;
$custom-light: #92955a;
$custom-dark: #000000;

JSON

{
  "hex": "#636b13",
  "rgb": {
    "r": 99,
    "g": 107,
    "b": 19
  },
  "hsl": {
    "h": 65.455,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.50436,
    "c": 0.10638,
    "h": 115
  },
  "luminance": 0.13215
}

Semantic roles & 50–950 ramp

primary

#636B13

secondary

#4138A2

accent

#3BED4B

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636B13

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

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