#637013#637013

#637013 is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.7% C 0.112 H 117.8°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#637013
RGB	rgb(99, 112, 19)
HSL	hsl(68, 71%, 26%)
HSV	hsv(68, 83%, 44%)
CMYK	cmyk(11.6%, 0%, 83%, 56.1%)
CIE-LAB	lab(44.64, -17.31, 45.59)
CIE-LCH	lch(44.64, 48.76, 110.79°)
OKLab	oklab(51.69% -0.0523 0.0994)
OKLCH	oklch(51.69% 0.112 117.8)
XYZ	xyz(11.0576, 14.2881, 2.7913)
Luminance	0.1429 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637013 #201370

analogous

#704E13 #637013 #347013

triadic

#637013 #136370 #701363

tetradic

#637013 #13704E #201370 #701334

square

#637013 #13704E #201370 #701334

split-complementary

#637013 #133470 #4E1370

monochromatic

#171A04 #353C0A #637013 #91A41C #BFD925

Accessibility & contrast

On white

5.44

#637013 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#637013 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637013

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637013	#FFFFFF	#000000	##FFFFFF
##637013	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786900

Deuteranopia (green-blind)

#776A1C

Tritanopia (blue-blind)

#6A695F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #637013;
/* rgb */ color: rgb(99, 112, 19);
/* oklch */ color: oklch(51.7% 0.112 117.8);

Tailwind

colors: {
  custom: {
    50: '#92995a',
    500: '#637013',
    950: '#000000',
  },
}

SCSS

$custom: #637013;
$custom-light: #92995a;
$custom-dark: #000000;

JSON

{
  "hex": "#637013",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 19
  },
  "hsl": {
    "h": 68.387,
    "s": 70.992,
    "l": 25.686
  },
  "oklch": {
    "l": 0.51688,
    "c": 0.11236,
    "h": 117.8
  },
  "luminance": 0.14288
}

Semantic roles & 50–950 ramp

primary

#637013

secondary

#4838A7

accent

#3AEE53

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #637013

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

Preview Lab → · Contrast checker → · Palette generator →