#638E20#638E20

#638E20 is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.4% C 0.143 H 129.1°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#638E20
RGB	rgb(99, 142, 32)
HSL	hsl(83, 63%, 34%)
HSV	hsv(83, 77%, 56%)
CMYK	cmyk(30.3%, 0%, 77.5%, 44.3%)
CIE-LAB	lab(54.14, -31.63, 50.09)
CIE-LCH	lch(54.14, 59.24, 122.27°)
OKLab	oklab(59.39% -0.0904 0.1112)
OKLCH	oklch(59.39% 0.143 129.1)
XYZ	xyz(15.0793, 22.1025, 4.8380)
Luminance	0.2210 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638E20 #4B208E

analogous

#8E8220 #638E20 #2C8E20

triadic

#638E20 #20638E #8E2063

tetradic

#638E20 #208E82 #4B208E #8E202C

square

#638E20 #208E82 #4B208E #8E202C

split-complementary

#638E20 #202C8E #82208E

monochromatic

#1D2A09 #405C15 #638E20 #86C02B #A3D851

Accessibility & contrast

On white

3.87

#638E20 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#638E20 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638E20

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638E20	#FFFFFF	#000000	##000000
##638E20	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958306

Deuteranopia (green-blind)

#8F802B

Tritanopia (blue-blind)

#668779

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #638e20;
/* rgb */ color: rgb(99, 142, 32);
/* oklch */ color: oklch(59.4% 0.143 129.1);

Tailwind

colors: {
  custom: {
    50: '#93af64',
    500: '#638e20',
    950: '#000000',
  },
}

SCSS

$custom: #638e20;
$custom-light: #93af64;
$custom-dark: #000000;

JSON

{
  "hex": "#638e20",
  "rgb": {
    "r": 99,
    "g": 142,
    "b": 32
  },
  "hsl": {
    "h": 83.455,
    "s": 63.218,
    "l": 34.118
  },
  "oklch": {
    "l": 0.59394,
    "c": 0.14332,
    "h": 129.1
  },
  "luminance": 0.22103
}

Semantic roles & 50–950 ramp

primary

#638E20

secondary

#794FBB

accent

#42E682

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #638E20

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

Preview Lab → · Contrast checker → · Palette generator →