#639828#639828

#639828 is a light, vivid yellow-green. Relative luminance 0.253; OKLCH L 62.0% C 0.151 H 131.8°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#639828
RGB	rgb(99, 152, 40)
HSL	hsl(88, 58%, 38%)
HSV	hsv(88, 74%, 60%)
CMYK	cmyk(34.9%, 0%, 73.7%, 40.4%)
CIE-LAB	lab(57.33, -35.71, 50.32)
CIE-LCH	lch(57.33, 61.71, 125.36°)
OKLab	oklab(62.01% -0.1009 0.113)
OKLCH	oklch(62.01% 0.151 131.8)
XYZ	xyz(16.7566, 25.2617, 6.0002)
Luminance	0.2526 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639828 #5D2898

analogous

#989528 #639828 #2B9828

triadic

#639828 #286398 #982863

tetradic

#639828 #289895 #5D2898 #98282B

square

#639828 #289895 #5D2898 #98282B

split-complementary

#639828 #282B98 #952898

monochromatic

#24370F #43681B #639828 #83C835 #A0D664

Accessibility & contrast

On white

3.47

#639828 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#639828 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639828

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639828	#FFFFFF	#000000	##000000
##639828	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C13

Deuteranopia (green-blind)

#978833

Tritanopia (blue-blind)

#649282

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #639828;
/* rgb */ color: rgb(99, 152, 40);
/* oklch */ color: oklch(62.0% 0.151 131.8);

Tailwind

colors: {
  custom: {
    50: '#94b66a',
    500: '#639828',
    950: '#000000',
  },
}

SCSS

$custom: #639828;
$custom-light: #94b66a;
$custom-dark: #000000;

JSON

{
  "hex": "#639828",
  "rgb": {
    "r": 99,
    "g": 152,
    "b": 40
  },
  "hsl": {
    "h": 88.393,
    "s": 58.333,
    "l": 37.647
  },
  "oklch": {
    "l": 0.62012,
    "c": 0.15145,
    "h": 131.8
  },
  "luminance": 0.25262
}

Semantic roles & 50–950 ramp

primary

#639828

secondary

#8B60BC

accent

#46E290

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1107

muted

#7E807A

Preview Lab

Preview with #639828

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

Preview Lab → · Contrast checker → · Palette generator →