#637912#637912

#637912 is a mid, vivid yellow-green. Relative luminance 0.164; OKLCH L 54.0% C 0.124 H 121.9°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#637912
RGB	rgb(99, 121, 18)
HSL	hsl(73, 74%, 27%)
HSV	hsv(73, 85%, 47%)
CMYK	cmyk(18.2%, 0%, 85.1%, 52.5%)
CIE-LAB	lab(47.46, -22.05, 48.37)
CIE-LCH	lch(47.46, 53.16, 114.50°)
OKLab	oklab(53.96% -0.0654 0.1052)
OKLCH	oklch(53.96% 0.124 121.9)
XYZ	xyz(12.0924, 16.3710, 3.0950)
Luminance	0.1637 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637912 #281279

analogous

#795C12 #637912 #2F7912

triadic

#637912 #126379 #791263

tetradic

#637912 #12795C #281279 #79122F

square

#637912 #12795C #281279 #79122F

split-complementary

#637912 #122F79 #5C1279

monochromatic

#161B04 #37440A #637912 #8FAE1A #B7DF27

Accessibility & contrast

On white

4.91

#637912 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#637912 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637912

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637912	#FFFFFF	#000000	##FFFFFF
##637912	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817100

Deuteranopia (green-blind)

#7E711D

Tritanopia (blue-blind)

#697267

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #637912;
/* rgb */ color: rgb(99, 121, 18);
/* oklch */ color: oklch(54.0% 0.124 121.9);

Tailwind

colors: {
  custom: {
    50: '#939f5b',
    500: '#637912',
    950: '#000000',
  },
}

SCSS

$custom: #637912;
$custom-light: #939f5b;
$custom-dark: #000000;

JSON

{
  "hex": "#637912",
  "rgb": {
    "r": 99,
    "g": 121,
    "b": 18
  },
  "hsl": {
    "h": 72.816,
    "s": 74.101,
    "l": 27.255
  },
  "oklch": {
    "l": 0.53956,
    "c": 0.12386,
    "h": 121.9
  },
  "luminance": 0.16371
}

Semantic roles & 50–950 ramp

primary

#637912

secondary

#5138AF

accent

#37F15F

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E04

muted

#7E7E79

Preview Lab

Preview with #637912

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

Preview Lab → · Contrast checker → · Palette generator →