#637020#637020

#637020 is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.8% C 0.104 H 118.2°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#637020
RGB	rgb(99, 112, 32)
HSL	hsl(70, 56%, 28%)
HSV	hsv(70, 71%, 44%)
CMYK	cmyk(11.6%, 0%, 71.4%, 56.1%)
CIE-LAB	lab(44.72, -16.61, 40.83)
CIE-LCH	lch(44.72, 44.08, 112.13°)
OKLab	oklab(51.78% -0.0492 0.0918)
OKLCH	oklch(51.78% 0.104 118.2)
XYZ	xyz(11.2007, 14.3454, 3.5451)
Luminance	0.1434 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637020 #2D2070

analogous

#705520 #637020 #3B7020

triadic

#637020 #206370 #702063

tetradic

#637020 #207055 #2D2070 #70203B

square

#637020 #207055 #2D2070 #70203B

split-complementary

#637020 #203B70 #552070

monochromatic

#151807 #394012 #637020 #8DA02E #B3C942

Accessibility & contrast

On white

5.43

#637020 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#637020 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637020

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637020	#FFFFFF	#000000	##FFFFFF
##637020	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786A14

Deuteranopia (green-blind)

#766A26

Tritanopia (blue-blind)

#696A60

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #637020;
/* rgb */ color: rgb(99, 112, 32);
/* oklch */ color: oklch(51.8% 0.104 118.2);

Tailwind

colors: {
  custom: {
    50: '#929961',
    500: '#637020',
    950: '#000000',
  },
}

SCSS

$custom: #637020;
$custom-light: #929961;
$custom-dark: #000000;

JSON

{
  "hex": "#637020",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 32
  },
  "hsl": {
    "h": 69.75,
    "s": 55.556,
    "l": 28.235
  },
  "oklch": {
    "l": 0.51779,
    "c": 0.10413,
    "h": 118.2
  },
  "luminance": 0.14345
}

Semantic roles & 50–950 ramp

primary

#637020

secondary

#5748A4

accent

#49DF61

background

#F9F9F5

surface

#F1F2EA

border

#CBCCC6

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #637020

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

Preview Lab → · Contrast checker → · Palette generator →