#637210#637210

#637210 is a mid, moderate yellow. Relative luminance 0.147; OKLCH L 52.2% C 0.116 H 118.7°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#637210
RGB	rgb(99, 114, 16)
HSL	hsl(69, 75%, 25%)
HSV	hsv(69, 86%, 45%)
CMYK	cmyk(13.2%, 0%, 86%, 55.3%)
CIE-LAB	lab(45.25, -18.49, 47.01)
CIE-LCH	lch(45.25, 50.51, 111.47°)
OKLab	oklab(52.18% -0.0558 0.1019)
OKLCH	oklch(52.18% 0.116 118.7)
XYZ	xyz(11.2567, 14.7248, 2.7393)
Luminance	0.1472 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637210 #1F1072

analogous

#725010 #637210 #327210

triadic

#637210 #106372 #721063

tetradic

#637210 #107250 #1F1072 #721032

square

#637210 #107250 #1F1072 #721032

split-complementary

#637210 #103272 #501072

monochromatic

#171B04 #343C08 #637210 #92A818 #C0DD1F

Accessibility & contrast

On white

5.32

#637210 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#637210 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637210

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637210	#FFFFFF	#000000	##FFFFFF
##637210	1.00	5.32	3.94	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A6B00

Deuteranopia (green-blind)

#786B1B

Tritanopia (blue-blind)

#6A6B61

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #637210;
/* rgb */ color: rgb(99, 114, 16);
/* oklch */ color: oklch(52.2% 0.116 118.7);

Tailwind

colors: {
  custom: {
    50: '#939a5a',
    500: '#637210',
    950: '#000000',
  },
}

SCSS

$custom: #637210;
$custom-light: #939a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#637210",
  "rgb": {
    "r": 99,
    "g": 114,
    "b": 16
  },
  "hsl": {
    "h": 69.184,
    "s": 75.385,
    "l": 25.49
  },
  "oklch": {
    "l": 0.52176,
    "c": 0.11619,
    "h": 118.7
  },
  "luminance": 0.14725
}

Semantic roles & 50–950 ramp

primary

#637210

secondary

#4634A9

accent

#36F253

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E04

muted

#7E7E79

Preview Lab

Preview with #637210

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

Preview Lab → · Contrast checker → · Palette generator →