#637012#637012

#637012 is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.7% C 0.113 H 117.7°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#637012
RGB	rgb(99, 112, 18)
HSL	hsl(68, 72%, 25%)
HSV	hsv(68, 84%, 44%)
CMYK	cmyk(11.6%, 0%, 83.9%, 56.1%)
CIE-LAB	lab(44.64, -17.35, 45.89)
CIE-LCH	lch(44.64, 49.06, 110.71°)
OKLab	oklab(51.68% -0.0525 0.0999)
OKLCH	oklch(51.68% 0.113 117.7)
XYZ	xyz(11.0492, 14.2848, 2.7473)
Luminance	0.1429 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637012 #1F1270

analogous

#704E12 #637012 #347012

triadic

#637012 #126370 #701263

tetradic

#637012 #12704E #1F1270 #701234

square

#637012 #12704E #1F1270 #701234

split-complementary

#637012 #123470 #4E1270

monochromatic

#171A04 #343B0A #637012 #92A51A #C0D923

Accessibility & contrast

On white

5.44

#637012 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#637012 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637012

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637012	#FFFFFF	#000000	##FFFFFF
##637012	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786900

Deuteranopia (green-blind)

#776A1C

Tritanopia (blue-blind)

#6A695F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #637012;
/* rgb */ color: rgb(99, 112, 18);
/* oklch */ color: oklch(51.7% 0.113 117.7);

Tailwind

colors: {
  custom: {
    50: '#93995a',
    500: '#637012',
    950: '#000000',
  },
}

SCSS

$custom: #637012;
$custom-light: #93995a;
$custom-dark: #000000;

JSON

{
  "hex": "#637012",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 18
  },
  "hsl": {
    "h": 68.298,
    "s": 72.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.51683,
    "c": 0.11286,
    "h": 117.7
  },
  "luminance": 0.14285
}

Semantic roles & 50–950 ramp

primary

#637012

secondary

#4637A7

accent

#39EF52

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #637012

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

Preview Lab → · Contrast checker → · Palette generator →