#63831B#63831B

#63831B is a mid, vivid yellow-green. Relative luminance 0.190; OKLCH L 56.5% C 0.132 H 125.8°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#63831B
RGB	rgb(99, 131, 27)
HSL	hsl(78, 66%, 31%)
HSV	hsv(78, 79%, 51%)
CMYK	cmyk(24.4%, 0%, 79.4%, 48.6%)
CIE-LAB	lab(50.65, -26.65, 48.49)
CIE-LCH	lch(50.65, 55.33, 118.79°)
OKLab	oklab(56.55% -0.0772 0.107)
OKLCH	oklch(56.55% 0.132 125.8)
XYZ	xyz(13.4598, 18.9642, 3.9880)
Luminance	0.1896 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63831B #3B1B83

analogous

#836F1B #63831B #2F831B

triadic

#63831B #1B6383 #831B63

tetradic

#63831B #1B836F #3B1B83 #831B2F

square

#63831B #1B836F #3B1B83 #831B2F

split-complementary

#63831B #1B2F83 #6F1B83

monochromatic

#161E06 #3D5011 #63831B #89B625 #A9D841

Accessibility & contrast

On white

4.38

#63831B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#63831B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63831B

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63831B	#FFFFFF	#000000	##000000
##63831B	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7A00

Deuteranopia (green-blind)

#867825

Tritanopia (blue-blind)

#687C70

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #63831b;
/* rgb */ color: rgb(99, 131, 27);
/* oklch */ color: oklch(56.5% 0.132 125.8);

Tailwind

colors: {
  custom: {
    50: '#93a761',
    500: '#63831b',
    950: '#000000',
  },
}

SCSS

$custom: #63831b;
$custom-light: #93a761;
$custom-dark: #000000;

JSON

{
  "hex": "#63831b",
  "rgb": {
    "r": 99,
    "g": 131,
    "b": 27
  },
  "hsl": {
    "h": 78.462,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.5655,
    "c": 0.13197,
    "h": 125.8
  },
  "luminance": 0.18964
}

Semantic roles & 50–950 ramp

primary

#63831B

secondary

#6743B6

accent

#3FE973

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D0F05

muted

#7E7F7A

Preview Lab

Preview with #63831B

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

Preview Lab → · Contrast checker → · Palette generator →