#636C13#636C13

#636C13 is a mid, moderate yellow. Relative luminance 0.134; OKLCH L 50.7% C 0.108 H 115.5°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#636C13
RGB	rgb(99, 108, 19)
HSL	hsl(66, 70%, 25%)
HSV	hsv(66, 82%, 42%)
CMYK	cmyk(8.3%, 0%, 82.4%, 57.6%)
CIE-LAB	lab(43.40, -15.15, 44.47)
CIE-LCH	lch(43.40, 46.98, 108.82°)
OKLab	oklab(50.69% -0.0464 0.0971)
OKLCH	oklch(50.69% 0.108 115.5)
XYZ	xyz(10.6260, 13.4250, 2.6475)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636C13 #1C136C

analogous

#6C4813 #636C13 #376C13

triadic

#636C13 #13636C #6C1363

tetradic

#636C13 #136C48 #1C136C #6C1337

square

#636C13 #136C48 #1C136C #6C1337

split-complementary

#636C13 #13376C #48136C

monochromatic

#181A05 #33380A #636C13 #93A01C #C2D425

Accessibility & contrast

On white

5.70

#636C13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#636C13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636C13

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636C13	#FFFFFF	#000000	##FFFFFF
##636C13	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746600

Deuteranopia (green-blind)

#74671B

Tritanopia (blue-blind)

#6A655C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #636c13;
/* rgb */ color: rgb(99, 108, 19);
/* oklch */ color: oklch(50.7% 0.108 115.5);

Tailwind

colors: {
  custom: {
    50: '#92965a',
    500: '#636c13',
    950: '#000000',
  },
}

SCSS

$custom: #636c13;
$custom-light: #92965a;
$custom-dark: #000000;

JSON

{
  "hex": "#636c13",
  "rgb": {
    "r": 99,
    "g": 108,
    "b": 19
  },
  "hsl": {
    "h": 66.067,
    "s": 70.079,
    "l": 24.902
  },
  "oklch": {
    "l": 0.50686,
    "c": 0.10757,
    "h": 115.5
  },
  "luminance": 0.13425
}

Semantic roles & 50–950 ramp

primary

#636C13

secondary

#4338A3

accent

#3BED4D

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636C13

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

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