#639920#639920

#639920 is a light, vivid yellow-green. Relative luminance 0.255; OKLCH L 62.2% C 0.157 H 131.4°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#639920
RGB	rgb(99, 153, 32)
HSL	hsl(87, 65%, 36%)
HSV	hsv(87, 79%, 60%)
CMYK	cmyk(35.3%, 0%, 79.1%, 40%)
CIE-LAB	lab(57.60, -36.64, 53.36)
CIE-LCH	lch(57.60, 64.73, 124.47°)
OKLab	oklab(62.22% -0.104 0.1181)
OKLCH	oklch(62.22% 0.157 131.4)
XYZ	xyz(16.7974, 25.5387, 5.4107)
Luminance	0.2554 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639920 #562099

analogous

#999320 #639920 #279920

triadic

#639920 #206399 #992063

tetradic

#639920 #209993 #562099 #992027

square

#639920 #209993 #562099 #992027

split-complementary

#639920 #202799 #932099

monochromatic

#22340B #426615 #639920 #84CC2B #A1DC57

Accessibility & contrast

On white

3.44

#639920 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#639920 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639920

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639920	#FFFFFF	#000000	##000000
##639920	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08D00

Deuteranopia (green-blind)

#99892D

Tritanopia (blue-blind)

#659283

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #639920;
/* rgb */ color: rgb(99, 153, 32);
/* oklch */ color: oklch(62.2% 0.157 131.4);

Tailwind

colors: {
  custom: {
    50: '#94b766',
    500: '#639920',
    950: '#000000',
  },
}

SCSS

$custom: #639920;
$custom-light: #94b766;
$custom-dark: #000000;

JSON

{
  "hex": "#639920",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 32
  },
  "hsl": {
    "h": 86.777,
    "s": 65.405,
    "l": 36.275
  },
  "oklch": {
    "l": 0.62215,
    "c": 0.15734,
    "h": 131.4
  },
  "luminance": 0.25539
}

Semantic roles & 50–950 ramp

primary

#639920

secondary

#8555C0

accent

#3FE88B

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #639920

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

Preview Lab → · Contrast checker → · Palette generator →