#639938#639938

#639938 is a light, vivid yellow-green. Relative luminance 0.257; OKLCH L 62.4% C 0.141 H 133.6°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#639938
RGB	rgb(99, 153, 56)
HSL	hsl(93, 46%, 41%)
HSV	hsv(93, 63%, 60%)
CMYK	cmyk(35.3%, 0%, 63.4%, 40%)
CIE-LAB	lab(57.77, -34.89, 44.14)
CIE-LCH	lch(57.77, 56.26, 128.32°)
OKLab	oklab(62.41% -0.0973 0.1022)
OKLCH	oklch(62.41% 0.141 133.6)
XYZ	xyz(17.2503, 25.7199, 7.7962)
Luminance	0.2572 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639938 #6E3899

analogous

#939938 #639938 #38993D

triadic

#639938 #386399 #993863

tetradic

#639938 #389399 #6E3899 #993D38

square

#639938 #389399 #6E3899 #993D38

split-complementary

#639938 #3D3899 #993893

monochromatic

#293F17 #466C28 #639938 #81BF4F #A1CF7C

Accessibility & contrast

On white

3.42

#639938 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#639938 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639938

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639938	#FFFFFF	#000000	##000000
##639938	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8E2D

Deuteranopia (green-blind)

#978940

Tritanopia (blue-blind)

#639385

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #639938;
/* rgb */ color: rgb(99, 153, 56);
/* oklch */ color: oklch(62.4% 0.141 133.6);

Tailwind

colors: {
  custom: {
    50: '#93b773',
    500: '#639938',
    950: '#000000',
  },
}

SCSS

$custom: #639938;
$custom-light: #93b773;
$custom-dark: #000000;

JSON

{
  "hex": "#639938",
  "rgb": {
    "r": 99,
    "g": 153,
    "b": 56
  },
  "hsl": {
    "h": 93.402,
    "s": 46.411,
    "l": 40.98
  },
  "oklch": {
    "l": 0.62412,
    "c": 0.14109,
    "h": 133.6
  },
  "luminance": 0.25721
}

Semantic roles & 50–950 ramp

primary

#639938

secondary

#9A74B8

accent

#52D69B

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0D1108

muted

#7E807B

Preview Lab

Preview with #639938

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

Preview Lab → · Contrast checker → · Palette generator →