#638E24#638E24

#638E24 is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.4% C 0.141 H 129.4°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#638E24
RGB	rgb(99, 142, 36)
HSL	hsl(84, 60%, 35%)
HSV	hsv(84, 75%, 56%)
CMYK	cmyk(30.3%, 0%, 74.6%, 44.3%)
CIE-LAB	lab(54.16, -31.39, 48.67)
CIE-LCH	lch(54.16, 57.92, 122.82°)
OKLab	oklab(59.42% -0.0894 0.1089)
OKLCH	oklch(59.42% 0.141 129.4)
XYZ	xyz(15.1370, 22.1256, 5.1419)
Luminance	0.2213 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638E24 #4F248E

analogous

#8E8424 #638E24 #2E8E24

triadic

#638E24 #24638E #8E2463

tetradic

#638E24 #248E84 #4F248E #8E242E

square

#638E24 #248E84 #4F248E #8E242E

split-complementary

#638E24 #242E8E #84248E

monochromatic

#1F2C0B #415D18 #638E24 #85BF30 #A2D558

Accessibility & contrast

On white

3.87

#638E24 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#638E24 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638E24

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638E24	#FFFFFF	#000000	##000000
##638E24	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958310

Deuteranopia (green-blind)

#8F812E

Tritanopia (blue-blind)

#66887A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #638e24;
/* rgb */ color: rgb(99, 142, 36);
/* oklch */ color: oklch(59.4% 0.141 129.4);

Tailwind

colors: {
  custom: {
    50: '#93af66',
    500: '#638e24',
    950: '#000000',
  },
}

SCSS

$custom: #638e24;
$custom-light: #93af66;
$custom-dark: #000000;

JSON

{
  "hex": "#638e24",
  "rgb": {
    "r": 99,
    "g": 142,
    "b": 36
  },
  "hsl": {
    "h": 84.34,
    "s": 59.551,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59422,
    "c": 0.14092,
    "h": 129.4
  },
  "luminance": 0.22126
}

Semantic roles & 50–950 ramp

primary

#638E24

secondary

#7D55B9

accent

#45E385

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #638E24

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

Preview Lab → · Contrast checker → · Palette generator →