#637312#637312

#637312 is a mid, moderate yellow. Relative luminance 0.150; OKLCH L 52.4% C 0.116 H 119.2°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#637312
RGB	rgb(99, 115, 18)
HSL	hsl(70, 73%, 26%)
HSV	hsv(70, 84%, 45%)
CMYK	cmyk(13.9%, 0%, 84.3%, 54.9%)
CIE-LAB	lab(45.58, -18.94, 46.72)
CIE-LCH	lch(45.58, 50.41, 112.07°)
OKLab	oklab(52.44% -0.0569 0.1017)
OKLCH	oklch(52.44% 0.116 119.2)
XYZ	xyz(11.3858, 14.9579, 2.8595)
Luminance	0.1496 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637312 #221273

analogous

#735212 #637312 #327312

triadic

#637312 #126373 #731263

tetradic

#637312 #127352 #221273 #731232

square

#637312 #127352 #221273 #731232

split-complementary

#637312 #123273 #521273

monochromatic

#171A04 #353E0A #637312 #91A81A #BEDD23

Accessibility & contrast

On white

5.26

#637312 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#637312 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637312

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637312	#FFFFFF	#000000	##FFFFFF
##637312	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6C00

Deuteranopia (green-blind)

#796C1C

Tritanopia (blue-blind)

#696C62

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #637312;
/* rgb */ color: rgb(99, 115, 18);
/* oklch */ color: oklch(52.4% 0.116 119.2);

Tailwind

colors: {
  custom: {
    50: '#939b5a',
    500: '#637312',
    950: '#000000',
  },
}

SCSS

$custom: #637312;
$custom-light: #939b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#637312",
  "rgb": {
    "r": 99,
    "g": 115,
    "b": 18
  },
  "hsl": {
    "h": 69.897,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.52438,
    "c": 0.11649,
    "h": 119.2
  },
  "luminance": 0.14958
}

Semantic roles & 50–950 ramp

primary

#637312

secondary

#4A37AA

accent

#38F056

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E04

muted

#7E7E79

Preview Lab

Preview with #637312

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

Preview Lab → · Contrast checker → · Palette generator →