#637010#637010

#637010 is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.7% C 0.114 H 117.7°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#637010
RGB	rgb(99, 112, 16)
HSL	hsl(68, 75%, 25%)
HSV	hsv(68, 86%, 44%)
CMYK	cmyk(11.6%, 0%, 85.7%, 56.1%)
CIE-LAB	lab(44.63, -17.43, 46.47)
CIE-LCH	lch(44.63, 49.63, 110.56°)
OKLab	oklab(51.67% -0.0529 0.1008)
OKLCH	oklch(51.67% 0.114 117.7)
XYZ	xyz(11.0336, 14.2785, 2.6649)
Luminance	0.1428 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637010 #1D1070

analogous

#704D10 #637010 #337010

triadic

#637010 #106370 #701063

tetradic

#637010 #10704D #1D1070 #701033

square

#637010 #10704D #1D1070 #701033

split-complementary

#637010 #103370 #4D1070

monochromatic

#181B04 #343A08 #637010 #92A618 #C2DB1F

Accessibility & contrast

On white

5.45

#637010 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#637010 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637010

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637010	#FFFFFF	#000000	##FFFFFF
##637010	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786900

Deuteranopia (green-blind)

#776A1A

Tritanopia (blue-blind)

#6A695F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #637010;
/* rgb */ color: rgb(99, 112, 16);
/* oklch */ color: oklch(51.7% 0.114 117.7);

Tailwind

colors: {
  custom: {
    50: '#939959',
    500: '#637010',
    950: '#000000',
  },
}

SCSS

$custom: #637010;
$custom-light: #939959;
$custom-dark: #000000;

JSON

{
  "hex": "#637010",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 16
  },
  "hsl": {
    "h": 68.125,
    "s": 75,
    "l": 25.098
  },
  "oklch": {
    "l": 0.51673,
    "c": 0.11379,
    "h": 117.7
  },
  "luminance": 0.14278
}

Semantic roles & 50–950 ramp

primary

#637010

secondary

#4434A8

accent

#36F250

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #637010

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

Preview Lab → · Contrast checker → · Palette generator →