#639628#639628

#639628 is a mid, vivid yellow-green. Relative luminance 0.246; OKLCH L 61.5% C 0.149 H 131.4°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#639628
RGB	rgb(99, 150, 40)
HSL	hsl(88, 58%, 37%)
HSV	hsv(88, 73%, 59%)
CMYK	cmyk(34%, 0%, 73.3%, 41.2%)
CIE-LAB	lab(56.70, -34.81, 49.70)
CIE-LCH	lch(56.70, 60.67, 125.01°)
OKLab	oklab(61.5% -0.0984 0.1117)
OKLCH	oklch(61.5% 0.149 131.4)
XYZ	xyz(16.4348, 24.6179, 5.8929)
Luminance	0.2462 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639628 #5B2896

analogous

#969228 #639628 #2C9628

triadic

#639628 #286396 #962863

tetradic

#639628 #289692 #5B2896 #96282C

square

#639628 #289692 #5B2896 #96282C

split-complementary

#639628 #282C96 #922896

monochromatic

#23350E #43661B #639628 #83C635 #A0D563

Accessibility & contrast

On white

3.55

#639628 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#639628 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639628

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639628	#FFFFFF	#000000	##000000
##639628	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8B14

Deuteranopia (green-blind)

#968732

Tritanopia (blue-blind)

#659081

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #639628;
/* rgb */ color: rgb(99, 150, 40);
/* oklch */ color: oklch(61.5% 0.149 131.4);

Tailwind

colors: {
  custom: {
    50: '#94b569',
    500: '#639628',
    950: '#000000',
  },
}

SCSS

$custom: #639628;
$custom-light: #94b569;
$custom-dark: #000000;

JSON

{
  "hex": "#639628",
  "rgb": {
    "r": 99,
    "g": 150,
    "b": 40
  },
  "hsl": {
    "h": 87.818,
    "s": 57.895,
    "l": 37.255
  },
  "oklch": {
    "l": 0.615,
    "c": 0.14884,
    "h": 131.4
  },
  "luminance": 0.24619
}

Semantic roles & 50–950 ramp

primary

#639628

secondary

#8A5FBB

accent

#47E18E

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0D1107

muted

#7E807A

Preview Lab

Preview with #639628

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

Preview Lab → · Contrast checker → · Palette generator →