#638820#638820

#638820 is a mid, vivid yellow-green. Relative luminance 0.204; OKLCH L 57.9% C 0.136 H 127.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX#638820
RGBrgb(99, 136, 32)
HSLhsl(81, 62%, 33%)
HSVhsv(81, 76%, 53%)
CMYKcmyk(27.2%, 0%, 76.5%, 46.7%)
CIE-LABlab(52.25, -28.79, 48.27)
CIE-LCHlch(52.25, 56.21, 120.82°)
OKLaboklab(57.86% -0.0827 0.1074)
OKLCHoklch(57.86% 0.136 127.6)
XYZxyz(14.2105, 20.3649, 4.5484)
Luminance0.2036 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#638820 #452088
analogous
#887920 #638820 #2F8820
triadic
#638820 #206388 #882063
tetradic
#638820 #208879 #452088 #88202F
square
#638820 #208879 #452088 #88202F
split-complementary
#638820 #202F88 #792088
monochromatic
#1B2509 #3F5614 #638820 #87BA2C #A5D54D

Accessibility & contrast

On white

4.14
#638820 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.07
#638820 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638820
5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##638820#FFFFFF#000000##000000
##6388201.004.145.075.07
#FFFFFF4.141.0021.0021.00
#0000005.0721.001.001.00
##0000005.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F7E09
Deuteranopia (green-blind)
#8A7C2A
Tritanopia (blue-blind)
#678274
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #638820;
/* rgb */ color: rgb(99, 136, 32);
/* oklch */ color: oklch(57.9% 0.136 127.6);
Tailwind
colors: {
  custom: {
    50: '#93ab64',
    500: '#638820',
    950: '#000000',
  },
}
SCSS
$custom: #638820;
$custom-light: #93ab64;
$custom-dark: #000000;
JSON
{
  "hex": "#638820",
  "rgb": {
    "r": 99,
    "g": 136,
    "b": 32
  },
  "hsl": {
    "h": 81.346,
    "s": 61.905,
    "l": 32.941
  },
  "oklch": {
    "l": 0.57859,
    "c": 0.13555,
    "h": 127.6
  },
  "luminance": 0.20365
}

Semantic roles & 50–950 ramp

primary
#638820
secondary
#724CB8
accent
#43E57D
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0D1006
muted
#7E7F7A

Preview Lab

Preview with #638820

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

Preview Lab → · Contrast checker → · Palette generator →

#638820 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva