#63801B#63801B

#63801B is a mid, vivid yellow-green. Relative luminance 0.182; OKLCH L 55.8% C 0.128 H 124.8°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#63801B
RGB	rgb(99, 128, 27)
HSL	hsl(77, 65%, 30%)
HSV	hsv(77, 79%, 50%)
CMYK	cmyk(22.7%, 0%, 78.9%, 49.8%)
CIE-LAB	lab(49.70, -25.17, 47.60)
CIE-LCH	lch(49.70, 53.85, 117.87°)
OKLab	oklab(55.79% -0.0732 0.1052)
OKLCH	oklch(55.79% 0.128 124.8)
XYZ	xyz(13.0627, 18.1700, 3.8557)
Luminance	0.1817 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63801B #381B80

analogous

#806A1B #63801B #30801B

triadic

#63801B #1B6380 #801B63

tetradic

#63801B #1B806A #381B80 #801B30

square

#63801B #1B806A #381B80 #801B30

split-complementary

#63801B #1B3080 #6A1B80

monochromatic

#151B06 #3C4D10 #63801B #8AB326 #ABD63F

Accessibility & contrast

On white

4.53

#63801B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#63801B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63801B

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63801B	#FFFFFF	#000000	##000000
##63801B	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#877702

Deuteranopia (green-blind)

#847625

Tritanopia (blue-blind)

#68796D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #63801b;
/* rgb */ color: rgb(99, 128, 27);
/* oklch */ color: oklch(55.8% 0.128 124.8);

Tailwind

colors: {
  custom: {
    50: '#93a560',
    500: '#63801b',
    950: '#000000',
  },
}

SCSS

$custom: #63801b;
$custom-light: #93a560;
$custom-dark: #000000;

JSON

{
  "hex": "#63801b",
  "rgb": {
    "r": 99,
    "g": 128,
    "b": 27
  },
  "hsl": {
    "h": 77.228,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.55785,
    "c": 0.12812,
    "h": 124.8
  },
  "luminance": 0.1817
}

Semantic roles & 50–950 ramp

primary

#63801B

secondary

#6343B4

accent

#40E870

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #63801B

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

Preview Lab → · Contrast checker → · Palette generator →