#639924#639924

#639924 is a light, vivid yellow-green. Relative luminance 0.256; OKLCH L 62.2% C 0.155 H 131.6°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#639924
RGB	rgb(99, 153, 36)
HSL	hsl(88, 62%, 37%)
HSV	hsv(88, 76%, 60%)
CMYK	cmyk(35.3%, 0%, 76.5%, 40%)
CIE-LAB	lab(57.62, -36.41, 52.05)
CIE-LCH	lch(57.62, 63.52, 124.98°)
OKLab	oklab(62.24% -0.1031 0.116)
OKLCH	oklch(62.24% 0.155 131.6)
XYZ	xyz(16.8551, 25.5618, 5.7146)
Luminance	0.2556 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639924 #5A2499

analogous

#999524 #639924 #299924

triadic

#639924 #246399 #992463

tetradic

#639924 #249995 #5A2499 #992429

square

#639924 #249995 #5A2499 #992429

split-complementary

#639924 #242999 #952499

monochromatic

#23360D #436718 #639924 #83CB30 #A0D95E

Accessibility & contrast

On white

3.44

#639924 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#639924 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639924

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639924	#FFFFFF	#000000	##000000
##639924	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)

#A08D09

Deuteranopia (green-blind)

#988930

Tritanopia (blue-blind)

#659283

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #639924;
/* rgb */ color: rgb(99, 153, 36);
/* oklch */ color: oklch(62.2% 0.155 131.6);

Tailwind

colors: {
  custom: {
    50: '#94b768',
    500: '#639924',
    950: '#000000',
  },
}

SCSS

$custom: #639924;
$custom-light: #94b768;
$custom-dark: #000000;

JSON

{
  "hex": "#639924",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 36
  },
  "hsl": {
    "h": 87.692,
    "s": 61.905,
    "l": 37.059
  },
  "oklch": {
    "l": 0.6224,
    "c": 0.15515,
    "h": 131.6
  },
  "luminance": 0.25562
}

Semantic roles & 50–950 ramp

primary

#639924

secondary

#895BBE

accent

#43E58E

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1107

muted

#7E807A

Preview Lab

Preview with #639924

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

Preview Lab → · Contrast checker → · Palette generator →