#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
RGB	rgb(99, 136, 31)
HSL	hsl(81, 63%, 33%)
HSV	hsv(81, 77%, 53%)
CMYK	cmyk(27.2%, 0%, 77.2%, 46.7%)
CIE-LAB	lab(52.24, -28.85, 48.62)
CIE-LCH	lch(52.24, 56.54, 120.68°)
OKLab	oklab(57.85% -0.0829 0.108)
OKLCH	oklch(57.85% 0.136 127.5)
XYZ	xyz(14.1971, 20.3596, 4.4779)
Luminance	0.2036 (WCAG relative)
Temperature	warm
Family	yellow-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
##63881F	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

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 →