#638E2C#638E2C

#638E2C is a mid, vivid yellow-green. Relative luminance 0.222; OKLCH L 59.5% C 0.135 H 130.1°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#638E2C
RGB	rgb(99, 142, 44)
HSL	hsl(86, 53%, 36%)
HSV	hsv(86, 69%, 56%)
CMYK	cmyk(30.3%, 0%, 69%, 44.3%)
CIE-LAB	lab(54.22, -30.83, 45.56)
CIE-LCH	lch(54.22, 55.01, 124.09°)
OKLab	oklab(59.49% -0.0872 0.1036)
OKLCH	oklch(59.49% 0.135 130.1)
XYZ	xyz(15.2731, 22.1801, 5.8589)
Luminance	0.2218 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638E2C #572C8E

analogous

#8E882C #638E2C #328E2C

triadic

#638E2C #2C638E #8E2C63

tetradic

#638E2C #2C8E88 #572C8E #8E2C32

square

#638E2C #2C8E88 #572C8E #8E2C32

split-complementary

#638E2C #2C328E #882C8E

monochromatic

#22310F #425F1E #638E2C #84BD3A #A1CF65

Accessibility & contrast

On white

3.86

#638E2C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#638E2C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638E2C

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638E2C	#FFFFFF	#000000	##000000
##638E2C	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95841E

Deuteranopia (green-blind)

#8F8134

Tritanopia (blue-blind)

#65887A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #638e2c;
/* rgb */ color: rgb(99, 142, 44);
/* oklch */ color: oklch(59.5% 0.135 130.1);

Tailwind

colors: {
  custom: {
    50: '#93af6b',
    500: '#638e2c',
    950: '#000000',
  },
}

SCSS

$custom: #638e2c;
$custom-light: #93af6b;
$custom-dark: #000000;

JSON

{
  "hex": "#638e2c",
  "rgb": {
    "r": 99,
    "g": 142,
    "b": 44
  },
  "hsl": {
    "h": 86.327,
    "s": 52.688,
    "l": 36.471
  },
  "oklch": {
    "l": 0.59487,
    "c": 0.13542,
    "h": 130.1
  },
  "luminance": 0.2218
}

Semantic roles & 50–950 ramp

primary

#638E2C

secondary

#8660B6

accent

#4CDC8B

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #638E2C

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

Preview Lab → · Contrast checker → · Palette generator →