#637F14#637F14

#637F14 is a mid, vivid yellow-green. Relative luminance 0.179; OKLCH L 55.5% C 0.130 H 124.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#637F14
RGB	rgb(99, 127, 20)
HSL	hsl(76, 73%, 29%)
HSV	hsv(76, 84%, 50%)
CMYK	cmyk(22%, 0%, 84.3%, 50.2%)
CIE-LAB	lab(49.35, -25.00, 49.48)
CIE-LCH	lch(49.35, 55.43, 116.80°)
OKLab	oklab(55.49% -0.0733 0.1079)
OKLCH	oklch(55.49% 0.13 124.2)
XYZ	xyz(12.8614, 17.8818, 3.4356)
Luminance	0.1788 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637F14 #30147F

analogous

#7F6614 #637F14 #2E7F14

triadic

#637F14 #14637F #7F1463

tetradic

#637F14 #147F66 #30147F #7F142E

square

#637F14 #147F66 #30147F #7F142E

split-complementary

#637F14 #142E7F #66147F

monochromatic

#151A04 #3A4A0C #637F14 #8CB41C #B0DE2F

Accessibility & contrast

On white

4.59

#637F14 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#637F14 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #637F14

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637F14	#FFFFFF	#000000	##FFFFFF
##637F14	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877600

Deuteranopia (green-blind)

#837520

Tritanopia (blue-blind)

#68786C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #637f14;
/* rgb */ color: rgb(99, 127, 20);
/* oklch */ color: oklch(55.5% 0.130 124.2);

Tailwind

colors: {
  custom: {
    50: '#93a45d',
    500: '#637f14',
    950: '#000000',
  },
}

SCSS

$custom: #637f14;
$custom-light: #93a45d;
$custom-dark: #000000;

JSON

{
  "hex": "#637f14",
  "rgb": {
    "r": 99,
    "g": 127,
    "b": 20
  },
  "hsl": {
    "h": 75.701,
    "s": 72.789,
    "l": 28.824
  },
  "oklch": {
    "l": 0.55492,
    "c": 0.13042,
    "h": 124.2
  },
  "luminance": 0.17882
}

Semantic roles & 50–950 ramp

primary

#637F14

secondary

#5A3BB4

accent

#38EF68

background

#F9FAF5

surface

#F2F4E9

border

#CCCEC5

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #637F14

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

Preview Lab → · Contrast checker → · Palette generator →