#63871F#63871F

#63871F is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.6% C 0.135 H 127.2°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#63871F
RGB	rgb(99, 135, 31)
HSL	hsl(81, 63%, 33%)
HSV	hsv(81, 77%, 53%)
CMYK	cmyk(26.7%, 0%, 77%, 47.1%)
CIE-LAB	lab(51.93, -28.37, 48.32)
CIE-LCH	lch(51.93, 56.03, 120.42°)
OKLab	oklab(57.6% -0.0816 0.1074)
OKLCH	oklch(57.6% 0.135 127.2)
XYZ	xyz(14.0569, 20.0792, 4.4311)
Luminance	0.2008 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63871F #431F87

analogous

#87771F #63871F #2F871F

triadic

#63871F #1F6387 #871F63

tetradic

#63871F #1F8777 #431F87 #871F2F

square

#63871F #1F8777 #431F87 #871F2F

split-complementary

#63871F #1F2F87 #771F87

monochromatic

#1A2308 #3F5514 #63871F #87B92A #A6D64B

Accessibility & contrast

On white

4.19

#63871F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#63871F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63871F

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63871F	#FFFFFF	#000000	##000000
##63871F	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D07

Deuteranopia (green-blind)

#897B29

Tritanopia (blue-blind)

#678173

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #63871f;
/* rgb */ color: rgb(99, 135, 31);
/* oklch */ color: oklch(57.6% 0.135 127.2);

Tailwind

colors: {
  custom: {
    50: '#93aa63',
    500: '#63871f',
    950: '#000000',
  },
}

SCSS

$custom: #63871f;
$custom-light: #93aa63;
$custom-dark: #000000;

JSON

{
  "hex": "#63871f",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 31
  },
  "hsl": {
    "h": 80.769,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57597,
    "c": 0.13485,
    "h": 127.2
  },
  "luminance": 0.2008
}

Semantic roles & 50–950 ramp

primary

#63871F

secondary

#704AB8

accent

#42E67B

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #63871F

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

Preview Lab → · Contrast checker → · Palette generator →