#637A14#637A14

#637A14 is a mid, vivid yellow-green. Relative luminance 0.166; OKLCH L 54.2% C 0.124 H 122.3°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#637A14
RGBrgb(99, 122, 20)
HSLhsl(74, 72%, 28%)
HSVhsv(74, 84%, 48%)
CMYKcmyk(18.9%, 0%, 83.6%, 52.2%)
CIE-LABlab(47.78, -22.48, 48.08)
CIE-LCHlch(47.78, 53.08, 115.06°)
OKLaboklab(54.22% -0.0664 0.1049)
OKLCHoklch(54.22% 0.124 122.3)
XYZxyz(12.2316, 16.6222, 3.2257)
Luminance0.1662 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#637A14 #2B147A
analogous
#7A5E14 #637A14 #307A14
triadic
#637A14 #14637A #7A1463
tetradic
#637A14 #147A5E #2B147A #7A1430
square
#637A14 #147A5E #2B147A #7A1430
split-complementary
#637A14 #14307A #5E147A
monochromatic
#151A04 #38450B #637A14 #8EAF1D #B5DC2C

Accessibility & contrast

On white

4.86
#637A14 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.32
#637A14 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637A14
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##637A14#FFFFFF#000000##FFFFFF
##637A141.004.864.324.86
#FFFFFF4.861.0021.001.00
#0000004.3221.001.0021.00
##FFFFFF4.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#827200
Deuteranopia (green-blind)
#7F711F
Tritanopia (blue-blind)
#697368
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #637a14;
/* rgb */ color: rgb(99, 122, 20);
/* oklch */ color: oklch(54.2% 0.124 122.3);
Tailwind
colors: {
  custom: {
    50: '#93a05c',
    500: '#637a14',
    950: '#000000',
  },
}
SCSS
$custom: #637a14;
$custom-light: #93a05c;
$custom-dark: #000000;
JSON
{
  "hex": "#637a14",
  "rgb": {
    "r": 99,
    "g": 122,
    "b": 20
  },
  "hsl": {
    "h": 73.529,
    "s": 71.831,
    "l": 27.843
  },
  "oklch": {
    "l": 0.5422,
    "c": 0.12418,
    "h": 122.3
  },
  "luminance": 0.16622
}

Semantic roles & 50–950 ramp

primary
#637A14
secondary
#553AB0
accent
#39EF62
background
#F9F9F5
surface
#F2F2E9
border
#CCCCC5
text
#0D0E04
muted
#7E7E79

Preview Lab

Preview with #637A14

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

Preview Lab → · Contrast checker → · Palette generator →

#637A14 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva