#637218#637218

#637218 is a mid, moderate yellow-green. Relative luminance 0.148; OKLCH L 52.2% C 0.112 H 118.9°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX#637218
RGBrgb(99, 114, 24)
HSLhsl(70, 65%, 27%)
HSVhsv(70, 79%, 45%)
CMYKcmyk(13.2%, 0%, 78.9%, 55.3%)
CIE-LABlab(45.29, -18.14, 44.51)
CIE-LCHlch(45.29, 48.07, 112.17°)
OKLaboklab(52.22% -0.0542 0.0981)
OKLCHoklch(52.22% 0.112 118.9)
XYZxyz(11.3280, 14.7533, 3.1149)
Luminance0.1475 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#637218 #271872
analogous
#725418 #637218 #367218
triadic
#637218 #186372 #721863
tetradic
#637218 #187254 #271872 #721836
square
#637218 #187254 #271872 #721836
split-complementary
#637218 #183672 #541872
monochromatic
#161905 #373F0D #637218 #8FA523 #B8D431

Accessibility & contrast

On white

5.32
#637218 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.95
#637218 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637218
5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##637218#FFFFFF#000000##FFFFFF
##6372181.005.323.955.32
#FFFFFF5.321.0021.001.00
#0000003.9521.001.0021.00
##FFFFFF5.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7A6B03
Deuteranopia (green-blind)
#786C20
Tritanopia (blue-blind)
#696B61
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #637218;
/* rgb */ color: rgb(99, 114, 24);
/* oklch */ color: oklch(52.2% 0.112 118.9);
Tailwind
colors: {
  custom: {
    50: '#929a5d',
    500: '#637218',
    950: '#000000',
  },
}
SCSS
$custom: #637218;
$custom-light: #929a5d;
$custom-dark: #000000;
JSON
{
  "hex": "#637218",
  "rgb": {
    "r": 99,
    "g": 114,
    "b": 24
  },
  "hsl": {
    "h": 70,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.52221,
    "c": 0.11206,
    "h": 118.9
  },
  "luminance": 0.14753
}

Semantic roles & 50–950 ramp

primary
#637218
secondary
#503EA7
accent
#40E85C
background
#F9F9F5
surface
#F2F2E9
border
#CCCCC5
text
#0D0E04
muted
#7E7E79

Preview Lab

Preview with #637218

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

Preview Lab → · Contrast checker → · Palette generator →

#637218 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva