#63731F#63731F

#63731F is a mid, moderate yellow-green. Relative luminance 0.150; OKLCH L 52.5% C 0.109 H 119.7°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#63731F
RGB	rgb(99, 115, 31)
HSL	hsl(71, 58%, 29%)
HSV	hsv(71, 73%, 45%)
CMYK	cmyk(13.9%, 0%, 73%, 54.9%)
CIE-LAB	lab(45.65, -18.27, 42.18)
CIE-LCH	lch(45.65, 45.97, 113.42°)
OKLab	oklab(52.52% -0.0539 0.0945)
OKLCH	oklch(52.52% 0.109 119.7)
XYZ	xyz(11.5239, 15.0131, 3.5868)
Luminance	0.1501 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63731F #2F1F73

analogous

#73591F #63731F #39731F

triadic

#63731F #1F6373 #731F63

tetradic

#63731F #1F7359 #2F1F73 #731F39

square

#63731F #1F7359 #2F1F73 #731F39

split-complementary

#63731F #1F3973 #591F73

monochromatic

#151806 #394312 #63731F #8CA32C #B1CC41

Accessibility & contrast

On white

5.25

#63731F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#63731F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63731F

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63731F	#FFFFFF	#000000	##FFFFFF
##63731F	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6C11

Deuteranopia (green-blind)

#796C26

Tritanopia (blue-blind)

#696D62

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #63731f;
/* rgb */ color: rgb(99, 115, 31);
/* oklch */ color: oklch(52.5% 0.109 119.7);

Tailwind

colors: {
  custom: {
    50: '#929b61',
    500: '#63731f',
    950: '#000000',
  },
}

SCSS

$custom: #63731f;
$custom-light: #929b61;
$custom-dark: #000000;

JSON

{
  "hex": "#63731f",
  "rgb": {
    "r": 99,
    "g": 115,
    "b": 31
  },
  "hsl": {
    "h": 71.429,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.52523,
    "c": 0.10875,
    "h": 119.7
  },
  "luminance": 0.15013
}

Semantic roles & 50–950 ramp

primary

#63731F

secondary

#5947A7

accent

#47E164

background

#F9F9F5

surface

#F1F2EA

border

#CBCCC6

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #63731F

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

Preview Lab → · Contrast checker → · Palette generator →