#637111#637111

#637111 is a mid, moderate yellow. Relative luminance 0.145; OKLCH L 51.9% C 0.115 H 118.2°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#637111
RGB	rgb(99, 113, 17)
HSL	hsl(69, 74%, 25%)
HSV	hsv(69, 85%, 44%)
CMYK	cmyk(12.4%, 0%, 85%, 55.7%)
CIE-LAB	lab(44.95, -17.92, 46.46)
CIE-LCH	lch(44.95, 49.79, 111.09°)
OKLab	oklab(51.93% -0.0542 0.1009)
OKLCH	oklch(51.93% 0.115 118.2)
XYZ	xyz(11.1522, 14.5035, 2.7422)
Luminance	0.1450 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637111 #1F1171

analogous

#714F11 #637111 #337111

triadic

#637111 #116371 #711163

tetradic

#637111 #11714F #1F1171 #711133

square

#637111 #11714F #1F1171 #711133

split-complementary

#637111 #113371 #4F1171

monochromatic

#171B04 #343C09 #637111 #92A619 #C0DB21

Accessibility & contrast

On white

5.38

#637111 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#637111 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637111

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637111	#FFFFFF	#000000	##FFFFFF
##637111	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796A00

Deuteranopia (green-blind)

#786B1B

Tritanopia (blue-blind)

#6A6A60

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #637111;
/* rgb */ color: rgb(99, 113, 17);
/* oklch */ color: oklch(51.9% 0.115 118.2);

Tailwind

colors: {
  custom: {
    50: '#93995a',
    500: '#637111',
    950: '#000000',
  },
}

SCSS

$custom: #637111;
$custom-light: #93995a;
$custom-dark: #000000;

JSON

{
  "hex": "#637111",
  "rgb": {
    "r": 99,
    "g": 113,
    "b": 17
  },
  "hsl": {
    "h": 68.75,
    "s": 73.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.51929,
    "c": 0.11453,
    "h": 118.2
  },
  "luminance": 0.14503
}

Semantic roles & 50–950 ramp

primary

#637111

secondary

#4636A8

accent

#37F152

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E04

muted

#7E7E79

Preview Lab

Preview with #637111

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

Preview Lab → · Contrast checker → · Palette generator →