#637019#637019

#637019 is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.7% C 0.109 H 117.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#637019
RGB	rgb(99, 112, 25)
HSL	hsl(69, 64%, 27%)
HSV	hsv(69, 78%, 44%)
CMYK	cmyk(11.6%, 0%, 77.7%, 56.1%)
CIE-LAB	lab(44.68, -17.02, 43.57)
CIE-LCH	lch(44.68, 46.78, 111.34°)
OKLab	oklab(51.73% -0.051 0.0963)
OKLCH	oklch(51.73% 0.109 117.9)
XYZ	xyz(11.1155, 14.3113, 3.0963)
Luminance	0.1431 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637019 #261970

analogous

#705219 #637019 #377019

triadic

#637019 #196370 #701963

tetradic

#637019 #197052 #261970 #701937

square

#637019 #197052 #261970 #701937

split-complementary

#637019 #193770 #521970

monochromatic

#161906 #373E0E #637019 #8FA224 #B9D132

Accessibility & contrast

On white

5.44

#637019 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#637019 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637019

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637019	#FFFFFF	#000000	##FFFFFF
##637019	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)

#786906

Deuteranopia (green-blind)

#776A21

Tritanopia (blue-blind)

#69695F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #637019;
/* rgb */ color: rgb(99, 112, 25);
/* oklch */ color: oklch(51.7% 0.109 117.9);

Tailwind

colors: {
  custom: {
    50: '#92995d',
    500: '#637019',
    950: '#000000',
  },
}

SCSS

$custom: #637019;
$custom-light: #92995d;
$custom-dark: #000000;

JSON

{
  "hex": "#637019",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 25
  },
  "hsl": {
    "h": 68.966,
    "s": 63.504,
    "l": 26.863
  },
  "oklch": {
    "l": 0.51725,
    "c": 0.10897,
    "h": 117.9
  },
  "luminance": 0.14311
}

Semantic roles & 50–950 ramp

primary

#637019

secondary

#4F40A5

accent

#41E75A

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #637019

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

Preview Lab → · Contrast checker → · Palette generator →