#638619#638619

#638619 is a mid, vivid yellow-green. Relative luminance 0.198; OKLCH L 57.3% C 0.137 H 126.6°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX#638619
RGBrgb(99, 134, 25)
HSLhsl(79, 69%, 31%)
HSVhsv(79, 81%, 53%)
CMYKcmyk(26.1%, 0%, 81.3%, 47.5%)
CIE-LABlab(51.58, -28.20, 49.99)
CIE-LCHlch(51.58, 57.40, 119.43°)
OKLaboklab(57.3% -0.0816 0.1099)
OKLCHoklch(57.3% 0.137 126.6)
XYZxyz(13.8462, 19.7728, 4.0066)
Luminance0.1977 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#638619 #3C1986
analogous
#867219 #638619 #2C8619
triadic
#638619 #196386 #861963
tetradic
#638619 #198672 #3C1986 #86192C
square
#638619 #198672 #3C1986 #86192C
split-complementary
#638619 #192C86 #721986
monochromatic
#171F06 #3D520F #638619 #89BA23 #A9DB3E

Accessibility & contrast

On white

4.24
#638619 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.95
#638619 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638619
4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##638619#FFFFFF#000000##000000
##6386191.004.244.954.95
#FFFFFF4.241.0021.0021.00
#0000004.9521.001.001.00
##0000004.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D7C00
Deuteranopia (green-blind)
#897A25
Tritanopia (blue-blind)
#677F72
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #638619;
/* rgb */ color: rgb(99, 134, 25);
/* oklch */ color: oklch(57.3% 0.137 126.6);
Tailwind
colors: {
  custom: {
    50: '#93a960',
    500: '#638619',
    950: '#000000',
  },
}
SCSS
$custom: #638619;
$custom-light: #93a960;
$custom-dark: #000000;
JSON
{
  "hex": "#638619",
  "rgb": {
    "r": 99,
    "g": 134,
    "b": 25
  },
  "hsl": {
    "h": 79.266,
    "s": 68.553,
    "l": 31.176
  },
  "oklch": {
    "l": 0.57305,
    "c": 0.13685,
    "h": 126.6
  },
  "luminance": 0.19773
}

Semantic roles & 50–950 ramp

primary
#638619
secondary
#6841BA
accent
#3CEB75
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0D1005
muted
#7E7F7A

Preview Lab

Preview with #638619

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

Preview Lab → · Contrast checker → · Palette generator →

#638619 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva