#638028#638028

#638028 is a mid, moderate yellow-green. Relative luminance 0.182; OKLCH L 55.9% C 0.119 H 125.8°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#638028
RGB	rgb(99, 128, 40)
HSL	hsl(80, 52%, 33%)
HSV	hsv(80, 69%, 50%)
CMYK	cmyk(22.7%, 0%, 68.8%, 49.8%)
CIE-LAB	lab(49.79, -24.34, 42.63)
CIE-LCH	lch(49.79, 49.09, 119.72°)
OKLab	oklab(55.89% -0.0698 0.0969)
OKLCH	oklch(55.89% 0.119 125.8)
XYZ	xyz(13.2478, 18.2440, 4.8306)
Luminance	0.1824 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638028 #452880

analogous

#807128 #638028 #378028

triadic

#638028 #286380 #802863

tetradic

#638028 #288071 #452880 #802837

square

#638028 #288071 #452880 #802837

split-complementary

#638028 #283780 #712880

monochromatic

#1B230B #3F5119 #638028 #87AF37 #A5CB58

Accessibility & contrast

On white

4.52

#638028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#638028 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638028

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638028	#FFFFFF	#000000	##000000
##638028	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)

#87771C

Deuteranopia (green-blind)

#83762F

Tritanopia (blue-blind)

#677A6E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #638028;
/* rgb */ color: rgb(99, 128, 40);
/* oklch */ color: oklch(55.9% 0.119 125.8);

Tailwind

colors: {
  custom: {
    50: '#92a567',
    500: '#638028',
    950: '#000000',
  },
}

SCSS

$custom: #638028;
$custom-light: #92a567;
$custom-dark: #000000;

JSON

{
  "hex": "#638028",
  "rgb": {
    "r": 99,
    "g": 128,
    "b": 40
  },
  "hsl": {
    "h": 79.773,
    "s": 52.381,
    "l": 32.941
  },
  "oklch": {
    "l": 0.55886,
    "c": 0.11936,
    "h": 125.8
  },
  "luminance": 0.18244
}

Semantic roles & 50–950 ramp

primary

#638028

secondary

#7254B0

accent

#4CDC7B

background

#F9FAF6

surface

#F1F4EB

border

#CBCEC6

text

#0D0F06

muted

#7E7F7A

Preview Lab

Preview with #638028

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

Preview Lab → · Contrast checker → · Palette generator →