#63871B#63871B

#63871B is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.6% C 0.137 H 127.0°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#63871B
RGB	rgb(99, 135, 27)
HSL	hsl(80, 67%, 32%)
HSV	hsv(80, 80%, 53%)
CMYK	cmyk(26.7%, 0%, 80%, 47.1%)
CIE-LAB	lab(51.90, -28.59, 49.66)
CIE-LCH	lch(51.90, 57.30, 119.93°)
OKLab	oklab(57.57% -0.0825 0.1095)
OKLCH	oklch(57.57% 0.137 127)
XYZ	xyz(14.0074, 20.0595, 4.1706)
Luminance	0.2006 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63871B #3F1B87

analogous

#87751B #63871B #2D871B

triadic

#63871B #1B6387 #871B63

tetradic

#63871B #1B8775 #3F1B87 #871B2D

square

#63871B #1B8775 #3F1B87 #871B2D

split-complementary

#63871B #1B2D87 #751B87

monochromatic

#182107 #3E5411 #63871B #88BA25 #A7D943

Accessibility & contrast

On white

4.19

#63871B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#63871B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63871B

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63871B	#FFFFFF	#000000	##000000
##63871B	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#897B26

Tritanopia (blue-blind)

#678073

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #63871b;
/* rgb */ color: rgb(99, 135, 27);
/* oklch */ color: oklch(57.6% 0.137 127.0);

Tailwind

colors: {
  custom: {
    50: '#93aa61',
    500: '#63871b',
    950: '#000000',
  },
}

SCSS

$custom: #63871b;
$custom-light: #93aa61;
$custom-dark: #000000;

JSON

{
  "hex": "#63871b",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 27
  },
  "hsl": {
    "h": 80,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.57572,
    "c": 0.13709,
    "h": 127
  },
  "luminance": 0.2006
}

Semantic roles & 50–950 ramp

primary

#63871B

secondary

#6B44BA

accent

#3EEA77

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1005

muted

#7E7F7A

Preview Lab

Preview with #63871B

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

Preview Lab → · Contrast checker → · Palette generator →