#638E2E#638E2E

#638E2E is a mid, vivid yellow-green. Relative luminance 0.222; OKLCH L 59.5% C 0.134 H 130.3°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#638E2E
RGB	rgb(99, 142, 46)
HSL	hsl(87, 51%, 37%)
HSV	hsv(87, 68%, 56%)
CMYK	cmyk(30.3%, 0%, 67.6%, 44.3%)
CIE-LAB	lab(54.23, -30.67, 44.73)
CIE-LCH	lch(54.23, 54.23, 124.44°)
OKLab	oklab(59.51% -0.0866 0.1021)
OKLCH	oklch(59.51% 0.134 130.3)
XYZ	xyz(15.3116, 22.1955, 6.0617)
Luminance	0.2220 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638E2E #592E8E

analogous

#8E892E #638E2E #338E2E

triadic

#638E2E #2E638E #8E2E63

tetradic

#638E2E #2E8E89 #592E8E #8E2E33

square

#638E2E #2E8E89 #592E8E #8E2E33

split-complementary

#638E2E #2E338E #892E8E

monochromatic

#233210 #43601F #638E2E #83BC3D #A1CE68

Accessibility & contrast

On white

3.86

#638E2E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#638E2E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638E2E

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638E2E	#FFFFFF	#000000	##000000
##638E2E	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)

#948421

Deuteranopia (green-blind)

#8E8136

Tritanopia (blue-blind)

#65887A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #638e2e;
/* rgb */ color: rgb(99, 142, 46);
/* oklch */ color: oklch(59.5% 0.134 130.3);

Tailwind

colors: {
  custom: {
    50: '#93af6c',
    500: '#638e2e',
    950: '#000000',
  },
}

SCSS

$custom: #638e2e;
$custom-light: #93af6c;
$custom-dark: #000000;

JSON

{
  "hex": "#638e2e",
  "rgb": {
    "r": 99,
    "g": 142,
    "b": 46
  },
  "hsl": {
    "h": 86.875,
    "s": 51.064,
    "l": 36.863
  },
  "oklch": {
    "l": 0.59506,
    "c": 0.1339,
    "h": 130.3
  },
  "luminance": 0.22196
}

Semantic roles & 50–950 ramp

primary

#638E2E

secondary

#8863B5

accent

#4DDB8D

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #638E2E

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

Preview Lab → · Contrast checker → · Palette generator →