#639820#639820

#639820 is a mid, vivid yellow-green. Relative luminance 0.252; OKLCH L 62.0% C 0.156 H 131.2°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#639820
RGB	rgb(99, 152, 32)
HSL	hsl(87, 65%, 36%)
HSV	hsv(87, 79%, 60%)
CMYK	cmyk(34.9%, 0%, 78.9%, 40.4%)
CIE-LAB	lab(57.28, -36.19, 53.07)
CIE-LCH	lch(57.28, 64.23, 124.30°)
OKLab	oklab(61.96% -0.1027 0.1175)
OKLCH	oklch(61.96% 0.156 131.2)
XYZ	xyz(16.6344, 25.2128, 5.3563)
Luminance	0.2521 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639820 #552098

analogous

#989120 #639820 #279820

triadic

#639820 #206398 #982063

tetradic

#639820 #209891 #552098 #982027

square

#639820 #209891 #552098 #982027

split-complementary

#639820 #202798 #912098

monochromatic

#21330B #426515 #639820 #84CB2B #A1DC57

Accessibility & contrast

On white

3.48

#639820 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#639820 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639820

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639820	#FFFFFF	#000000	##000000
##639820	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C00

Deuteranopia (green-blind)

#98882D

Tritanopia (blue-blind)

#659182

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #639820;
/* rgb */ color: rgb(99, 152, 32);
/* oklch */ color: oklch(62.0% 0.156 131.2);

Tailwind

colors: {
  custom: {
    50: '#94b666',
    500: '#639820',
    950: '#000000',
  },
}

SCSS

$custom: #639820;
$custom-light: #94b666;
$custom-dark: #000000;

JSON

{
  "hex": "#639820",
  "rgb": {
    "r": 99,
    "g": 152,
    "b": 32
  },
  "hsl": {
    "h": 86.5,
    "s": 65.217,
    "l": 36.078
  },
  "oklch": {
    "l": 0.61958,
    "c": 0.15607,
    "h": 131.2
  },
  "luminance": 0.25213
}

Semantic roles & 50–950 ramp

primary

#639820

secondary

#8454BF

accent

#40E88A

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #639820

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

Preview Lab → · Contrast checker → · Palette generator →