#639B1E#639B1E

#639B1E is a light, vivid yellow-green. Relative luminance 0.262; OKLCH L 62.7% C 0.161 H 131.6°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#639B1E
RGB	rgb(99, 155, 30)
HSL	hsl(87, 68%, 36%)
HSV	hsv(87, 81%, 61%)
CMYK	cmyk(36.1%, 0%, 80.6%, 39.2%)
CIE-LAB	lab(58.22, -37.62, 54.56)
CIE-LCH	lch(58.22, 66.27, 124.59°)
OKLab	oklab(62.72% -0.1067 0.1203)
OKLCH	oklch(62.72% 0.161 131.6)
XYZ	xyz(17.1011, 26.1884, 5.3819)
Luminance	0.2619 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639B1E #561E9B

analogous

#9B951E #639B1E #259B1E

triadic

#639B1E #1E639B #9B1E63

tetradic

#639B1E #1E9B95 #561E9B #9B1E25

square

#639B1E #1E9B95 #561E9B #9B1E25

split-complementary

#639B1E #1E259B #951E9B

monochromatic

#22340A #426814 #639B1E #84CE28 #A1DE55

Accessibility & contrast

On white

3.37

#639B1E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#639B1E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639B1E

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639B1E	#FFFFFF	#000000	##000000
##639B1E	1.00	3.37	6.24	6.24
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F00

Deuteranopia (green-blind)

#9A8A2C

Tritanopia (blue-blind)

#659484

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #639b1e;
/* rgb */ color: rgb(99, 155, 30);
/* oklch */ color: oklch(62.7% 0.161 131.6);

Tailwind

colors: {
  custom: {
    50: '#94b965',
    500: '#639b1e',
    950: '#000000',
  },
}

SCSS

$custom: #639b1e;
$custom-light: #94b965;
$custom-dark: #000000;

JSON

{
  "hex": "#639b1e",
  "rgb": {
    "r": 99,
    "g": 155,
    "b": 30
  },
  "hsl": {
    "h": 86.88,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.62717,
    "c": 0.16083,
    "h": 131.6
  },
  "luminance": 0.26189
}

Semantic roles & 50–950 ramp

primary

#639B1E

secondary

#8553C2

accent

#3DEA8B

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #639B1E

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

Preview Lab → · Contrast checker → · Palette generator →