#63881F#63881F

#63881F is a mid, vivid yellow-green. Relative luminance 0.204; OKLCH L 57.9% C 0.136 H 127.5°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX#63881F
RGBrgb(99, 136, 31)
HSLhsl(81, 63%, 33%)
HSVhsv(81, 77%, 53%)
CMYKcmyk(27.2%, 0%, 77.2%, 46.7%)
CIE-LABlab(52.24, -28.85, 48.62)
CIE-LCHlch(52.24, 56.54, 120.68°)
OKLaboklab(57.85% -0.0829 0.108)
OKLCHoklch(57.85% 0.136 127.5)
XYZxyz(14.1971, 20.3596, 4.4779)
Luminance0.2036 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63881F #441F88
analogous
#88781F #63881F #2E881F
triadic
#63881F #1F6388 #881F63
tetradic
#63881F #1F8878 #441F88 #881F2E
square
#63881F #1F8878 #441F88 #881F2E
split-complementary
#63881F #1F2E88 #781F88
monochromatic
#1A2408 #3F5614 #63881F #87BA2A #A5D64B

Accessibility & contrast

On white

4.14
#63881F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.07
#63881F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63881F
5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63881F#FFFFFF#000000##000000
##63881F1.004.145.075.07
#FFFFFF4.141.0021.0021.00
#0000005.0721.001.001.00
##0000005.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F7E07
Deuteranopia (green-blind)
#8A7C29
Tritanopia (blue-blind)
#678274
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #63881f;
/* rgb */ color: rgb(99, 136, 31);
/* oklch */ color: oklch(57.9% 0.136 127.5);
Tailwind
colors: {
  custom: {
    50: '#93ab63',
    500: '#63881f',
    950: '#000000',
  },
}
SCSS
$custom: #63881f;
$custom-light: #93ab63;
$custom-dark: #000000;
JSON
{
  "hex": "#63881f",
  "rgb": {
    "r": 99,
    "g": 136,
    "b": 31
  },
  "hsl": {
    "h": 81.143,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.57853,
    "c": 0.13614,
    "h": 127.5
  },
  "luminance": 0.2036
}

Semantic roles & 50–950 ramp

primary
#63881F
secondary
#714AB9
accent
#42E67C
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0D1006
muted
#7E7F7A

Preview Lab

Preview with #63881F

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

Preview Lab → · Contrast checker → · Palette generator →

#63881F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva