#639824#639824

#639824 is a mid, vivid yellow-green. Relative luminance 0.252; OKLCH L 62.0% C 0.154 H 131.4°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#639824
RGB	rgb(99, 152, 36)
HSL	hsl(87, 62%, 37%)
HSV	hsv(87, 76%, 60%)
CMYK	cmyk(34.9%, 0%, 76.3%, 40.4%)
CIE-LAB	lab(57.30, -35.97, 51.74)
CIE-LCH	lch(57.30, 63.02, 124.80°)
OKLab	oklab(61.98% -0.1018 0.1153)
OKLCH	oklch(61.98% 0.154 131.4)
XYZ	xyz(16.6921, 25.2359, 5.6602)
Luminance	0.2524 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#639824 #592498

analogous

#989324 #639824 #299824

triadic

#639824 #246398 #982463

tetradic

#639824 #249893 #592498 #982429

square

#639824 #249893 #592498 #982429

split-complementary

#639824 #242998 #932498

monochromatic

#23350D #436718 #639824 #83C930 #A1D95E

Accessibility & contrast

On white

3.47

#639824 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#639824 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639824

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##639824	#FFFFFF	#000000	##000000
##639824	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C0A

Deuteranopia (green-blind)

#988830

Tritanopia (blue-blind)

#659182

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #639824;
/* rgb */ color: rgb(99, 152, 36);
/* oklch */ color: oklch(62.0% 0.154 131.4);

Tailwind

colors: {
  custom: {
    50: '#94b668',
    500: '#639824',
    950: '#000000',
  },
}

SCSS

$custom: #639824;
$custom-light: #94b668;
$custom-dark: #000000;

JSON

{
  "hex": "#639824",
  "rgb": {
    "r": 99,
    "g": 152,
    "b": 36
  },
  "hsl": {
    "h": 87.414,
    "s": 61.702,
    "l": 36.863
  },
  "oklch": {
    "l": 0.61984,
    "c": 0.15387,
    "h": 131.4
  },
  "luminance": 0.25236
}

Semantic roles & 50–950 ramp

primary

#639824

secondary

#885ABE

accent

#43E58D

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1107

muted

#7E807A

Preview Lab

Preview with #639824

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

Preview Lab → · Contrast checker → · Palette generator →