#638027#638027

#638027 is a mid, vivid yellow-green. Relative luminance 0.182; OKLCH L 55.9% C 0.120 H 125.7°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#638027
RGB	rgb(99, 128, 39)
HSL	hsl(80, 53%, 33%)
HSV	hsv(80, 70%, 50%)
CMYK	cmyk(22.7%, 0%, 69.5%, 49.8%)
CIE-LAB	lab(49.78, -24.41, 43.05)
CIE-LCH	lch(49.78, 49.49, 119.56°)
OKLab	oklab(55.88% -0.0701 0.0976)
OKLCH	oklch(55.88% 0.12 125.7)
XYZ	xyz(13.2310, 18.2373, 4.7421)
Luminance	0.1824 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638027 #442780

analogous

#807127 #638027 #368027

triadic

#638027 #276380 #802763

tetradic

#638027 #278071 #442780 #802736

square

#638027 #278071 #442780 #802736

split-complementary

#638027 #273680 #712780

monochromatic

#1A220A #3F5119 #638027 #87AF35 #A5CB56

Accessibility & contrast

On white

4.52

#638027 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#638027 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638027

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638027	#FFFFFF	#000000	##000000
##638027	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87771A

Deuteranopia (green-blind)

#83762E

Tritanopia (blue-blind)

#677A6E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #638027;
/* rgb */ color: rgb(99, 128, 39);
/* oklch */ color: oklch(55.9% 0.120 125.7);

Tailwind

colors: {
  custom: {
    50: '#92a566',
    500: '#638027',
    950: '#000000',
  },
}

SCSS

$custom: #638027;
$custom-light: #92a566;
$custom-dark: #000000;

JSON

{
  "hex": "#638027",
  "rgb": {
    "r": 99,
    "g": 128,
    "b": 39
  },
  "hsl": {
    "h": 79.551,
    "s": 53.293,
    "l": 32.745
  },
  "oklch": {
    "l": 0.55877,
    "c": 0.12013,
    "h": 125.7
  },
  "luminance": 0.18237
}

Semantic roles & 50–950 ramp

primary

#638027

secondary

#7153B0

accent

#4BDD7B

background

#F9FAF6

surface

#F1F4EB

border

#CBCEC6

text

#0D0F06

muted

#7E7F7A

Preview Lab

Preview with #638027

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

Preview Lab → · Contrast checker → · Palette generator →