#638E2A#638E2A

#638E2A is a mid, vivid yellow-green. Relative luminance 0.222; OKLCH L 59.5% C 0.137 H 129.9°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#638E2A
RGB	rgb(99, 142, 42)
HSL	hsl(86, 54%, 36%)
HSV	hsv(86, 70%, 56%)
CMYK	cmyk(30.3%, 0%, 70.4%, 44.3%)
CIE-LAB	lab(54.20, -30.98, 46.37)
CIE-LCH	lch(54.20, 55.77, 123.75°)
OKLab	oklab(59.47% -0.0878 0.105)
OKLCH	oklch(59.47% 0.137 129.9)
XYZ	xyz(15.2364, 22.1654, 5.6656)
Luminance	0.2217 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638E2A #552A8E

analogous

#8E872A #638E2A #318E2A

triadic

#638E2A #2A638E #8E2A63

tetradic

#638E2A #2A8E87 #552A8E #8E2A31

square

#638E2A #2A8E87 #552A8E #8E2A31

split-complementary

#638E2A #2A318E #872A8E

monochromatic

#21300E #425F1C #638E2A #84BD38 #A1D162

Accessibility & contrast

On white

3.87

#638E2A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#638E2A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638E2A

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638E2A	#FFFFFF	#000000	##000000
##638E2A	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)

#95841B

Deuteranopia (green-blind)

#8F8133

Tritanopia (blue-blind)

#66887A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #638e2a;
/* rgb */ color: rgb(99, 142, 42);
/* oklch */ color: oklch(59.5% 0.137 129.9);

Tailwind

colors: {
  custom: {
    50: '#93af6a',
    500: '#638e2a',
    950: '#000000',
  },
}

SCSS

$custom: #638e2a;
$custom-light: #93af6a;
$custom-dark: #000000;

JSON

{
  "hex": "#638e2a",
  "rgb": {
    "r": 99,
    "g": 142,
    "b": 42
  },
  "hsl": {
    "h": 85.8,
    "s": 54.348,
    "l": 36.078
  },
  "oklch": {
    "l": 0.5947,
    "c": 0.13689,
    "h": 129.9
  },
  "luminance": 0.22166
}

Semantic roles & 50–950 ramp

primary

#638E2A

secondary

#845DB6

accent

#4ADE8A

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #638E2A

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

Preview Lab → · Contrast checker → · Palette generator →