#638020#638020

#638020 is a mid, vivid yellow-green. Relative luminance 0.182; OKLCH L 55.8% C 0.125 H 125.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#638020
RGB	rgb(99, 128, 32)
HSL	hsl(78, 60%, 31%)
HSV	hsv(78, 75%, 50%)
CMYK	cmyk(22.7%, 0%, 75%, 49.8%)
CIE-LAB	lab(49.73, -24.88, 45.83)
CIE-LCH	lch(49.73, 52.15, 118.50°)
OKLab	oklab(55.82% -0.072 0.1023)
OKLCH	oklch(55.82% 0.125 125.1)
XYZ	xyz(13.1256, 18.1951, 4.1867)
Luminance	0.1820 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638020 #3D2080

analogous

#806D20 #638020 #338020

triadic

#638020 #206380 #802063

tetradic

#638020 #20806D #3D2080 #802033

square

#638020 #20806D #3D2080 #802033

split-complementary

#638020 #203380 #6D2080

monochromatic

#171E08 #3D4F14 #638020 #89B12C #A8D149

Accessibility & contrast

On white

4.53

#638020 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#638020 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638020

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638020	#FFFFFF	#000000	##000000
##638020	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87770E

Deuteranopia (green-blind)

#837629

Tritanopia (blue-blind)

#687A6D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #638020;
/* rgb */ color: rgb(99, 128, 32);
/* oklch */ color: oklch(55.8% 0.125 125.1);

Tailwind

colors: {
  custom: {
    50: '#92a563',
    500: '#638020',
    950: '#000000',
  },
}

SCSS

$custom: #638020;
$custom-light: #92a563;
$custom-dark: #000000;

JSON

{
  "hex": "#638020",
  "rgb": {
    "r": 99,
    "g": 128,
    "b": 32
  },
  "hsl": {
    "h": 78.125,
    "s": 60,
    "l": 31.373
  },
  "oklch": {
    "l": 0.5582,
    "c": 0.12509,
    "h": 125.1
  },
  "luminance": 0.18195
}

Semantic roles & 50–950 ramp

primary

#638020

secondary

#6949B3

accent

#45E375

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D0F05

muted

#7E7F7A

Preview Lab

Preview with #638020

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

Preview Lab → · Contrast checker → · Palette generator →