#637A14#637A14

#637A14 is a mid, vivid yellow-green. Relative luminance 0.166; OKLCH L 54.2% C 0.124 H 122.3°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#637A14
RGB	rgb(99, 122, 20)
HSL	hsl(74, 72%, 28%)
HSV	hsv(74, 84%, 48%)
CMYK	cmyk(18.9%, 0%, 83.6%, 52.2%)
CIE-LAB	lab(47.78, -22.48, 48.08)
CIE-LCH	lch(47.78, 53.08, 115.06°)
OKLab	oklab(54.22% -0.0664 0.1049)
OKLCH	oklch(54.22% 0.124 122.3)
XYZ	xyz(12.2316, 16.6222, 3.2257)
Luminance	0.1662 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637A14 #2B147A

analogous

#7A5E14 #637A14 #307A14

triadic

#637A14 #14637A #7A1463

tetradic

#637A14 #147A5E #2B147A #7A1430

square

#637A14 #147A5E #2B147A #7A1430

split-complementary

#637A14 #14307A #5E147A

monochromatic

#151A04 #38450B #637A14 #8EAF1D #B5DC2C

Accessibility & contrast

On white

4.86

#637A14 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#637A14 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637A14

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637A14	#FFFFFF	#000000	##FFFFFF
##637A14	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827200

Deuteranopia (green-blind)

#7F711F

Tritanopia (blue-blind)

#697368

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #637a14;
/* rgb */ color: rgb(99, 122, 20);
/* oklch */ color: oklch(54.2% 0.124 122.3);

Tailwind

colors: {
  custom: {
    50: '#93a05c',
    500: '#637a14',
    950: '#000000',
  },
}

SCSS

$custom: #637a14;
$custom-light: #93a05c;
$custom-dark: #000000;

JSON

{
  "hex": "#637a14",
  "rgb": {
    "r": 99,
    "g": 122,
    "b": 20
  },
  "hsl": {
    "h": 73.529,
    "s": 71.831,
    "l": 27.843
  },
  "oklch": {
    "l": 0.5422,
    "c": 0.12418,
    "h": 122.3
  },
  "luminance": 0.16622
}

Semantic roles & 50–950 ramp

primary

#637A14

secondary

#553AB0

accent

#39EF62

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E04

muted

#7E7E79

Preview Lab

Preview with #637A14

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

Preview Lab → · Contrast checker → · Palette generator →