#637310#637310

#637310 is a mid, moderate yellow. Relative luminance 0.150; OKLCH L 52.4% C 0.117 H 119.2°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#637310
RGB	rgb(99, 115, 16)
HSL	hsl(70, 76%, 26%)
HSV	hsv(70, 86%, 45%)
CMYK	cmyk(13.9%, 0%, 86.1%, 54.9%)
CIE-LAB	lab(45.57, -19.01, 47.28)
CIE-LCH	lch(45.57, 50.96, 111.91°)
OKLab	oklab(52.43% -0.0572 0.1025)
OKLCH	oklch(52.43% 0.117 119.2)
XYZ	xyz(11.3701, 14.9516, 2.7771)
Luminance	0.1495 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637310 #201073

analogous

#735110 #637310 #317310

triadic

#637310 #106373 #731063

tetradic

#637310 #107351 #201073 #731031

square

#637310 #107351 #201073 #731031

split-complementary

#637310 #103173 #511073

monochromatic

#171B04 #353D09 #637310 #91A917 #C0DE1F

Accessibility & contrast

On white

5.26

#637310 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#637310 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637310

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637310	#FFFFFF	#000000	##FFFFFF
##637310	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)

#796C1B

Tritanopia (blue-blind)

#696C61

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #637310;
/* rgb */ color: rgb(99, 115, 16);
/* oklch */ color: oklch(52.4% 0.117 119.2);

Tailwind

colors: {
  custom: {
    50: '#939b5a',
    500: '#637310',
    950: '#000000',
  },
}

SCSS

$custom: #637310;
$custom-light: #939b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#637310",
  "rgb": {
    "r": 99,
    "g": 115,
    "b": 16
  },
  "hsl": {
    "h": 69.697,
    "s": 75.573,
    "l": 25.686
  },
  "oklch": {
    "l": 0.52428,
    "c": 0.1174,
    "h": 119.2
  },
  "luminance": 0.14952
}

Semantic roles & 50–950 ramp

primary

#637310

secondary

#4834AA

accent

#36F254

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E04

muted

#7E7E79

Preview Lab

Preview with #637310

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

Preview Lab → · Contrast checker → · Palette generator →