#638822#638822

#638822 is a mid, vivid yellow-green. Relative luminance 0.204; OKLCH L 57.9% C 0.134 H 127.7°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#638822
RGB	rgb(99, 136, 34)
HSL	hsl(82, 60%, 33%)
HSV	hsv(82, 75%, 53%)
CMYK	cmyk(27.2%, 0%, 75%, 46.7%)
CIE-LAB	lab(52.26, -28.67, 47.55)
CIE-LCH	lch(52.26, 55.53, 121.09°)
OKLab	oklab(57.87% -0.0822 0.1062)
OKLCH	oklch(57.87% 0.134 127.7)
XYZ	xyz(14.2385, 20.3762, 4.6959)
Luminance	0.2038 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638822 #472288

analogous

#887A22 #638822 #308822

triadic

#638822 #226388 #882263

tetradic

#638822 #22887A #472288 #882230

square

#638822 #22887A #472288 #882230

split-complementary

#638822 #223088 #7A2288

monochromatic

#1C260A #3F5716 #638822 #87B92E #A4D351

Accessibility & contrast

On white

4.14

#638822 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#638822 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638822

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638822	#FFFFFF	#000000	##000000
##638822	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E0E

Deuteranopia (green-blind)

#8A7C2B

Tritanopia (blue-blind)

#678274

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #638822;
/* rgb */ color: rgb(99, 136, 34);
/* oklch */ color: oklch(57.9% 0.134 127.7);

Tailwind

colors: {
  custom: {
    50: '#93ab65',
    500: '#638822',
    950: '#000000',
  },
}

SCSS

$custom: #638822;
$custom-light: #93ab65;
$custom-dark: #000000;

JSON

{
  "hex": "#638822",
  "rgb": {
    "r": 99,
    "g": 136,
    "b": 34
  },
  "hsl": {
    "h": 81.765,
    "s": 60,
    "l": 33.333
  },
  "oklch": {
    "l": 0.57874,
    "c": 0.13431,
    "h": 127.7
  },
  "luminance": 0.20376
}

Semantic roles & 50–950 ramp

primary

#638822

secondary

#754FB7

accent

#45E37E

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #638822

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

Preview Lab → · Contrast checker → · Palette generator →