#66851C#66851C

#66851C is a mid, vivid yellow-green. Relative luminance 0.197; OKLCH L 57.3% C 0.132 H 125.2°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX#66851C
RGBrgb(102, 133, 28)
HSLhsl(78, 65%, 32%)
HSVhsv(78, 79%, 52%)
CMYKcmyk(23.3%, 0%, 78.9%, 47.8%)
CIE-LABlab(51.48, -26.31, 49.00)
CIE-LCHlch(51.48, 55.62, 118.23°)
OKLaboklab(57.28% -0.0764 0.1082)
OKLCHoklch(57.28% 0.132 125.2)
XYZxyz(14.0767, 19.6835, 4.1561)
Luminance0.1968 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66851C #3B1C85
analogous
#85701C #66851C #32851C
triadic
#66851C #1C6685 #851C66
tetradic
#66851C #1C8570 #3B1C85 #851C32
square
#66851C #1C8570 #3B1C85 #851C32
split-complementary
#66851C #1C3285 #701C85
monochromatic
#182007 #3F5211 #66851C #8DB827 #ACD844

Accessibility & contrast

On white

4.25
#66851C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.94
#66851C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66851C
4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66851C#FFFFFF#000000##000000
##66851C1.004.254.944.94
#FFFFFF4.251.0021.0021.00
#0000004.9421.001.001.00
##0000004.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D7C01
Deuteranopia (green-blind)
#887A26
Tritanopia (blue-blind)
#6B7E71
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #66851c;
/* rgb */ color: rgb(102, 133, 28);
/* oklch */ color: oklch(57.3% 0.132 125.2);
Tailwind
colors: {
  custom: {
    50: '#95a861',
    500: '#66851c',
    950: '#000000',
  },
}
SCSS
$custom: #66851c;
$custom-light: #95a861;
$custom-dark: #000000;
JSON
{
  "hex": "#66851c",
  "rgb": {
    "r": 102,
    "g": 133,
    "b": 28
  },
  "hsl": {
    "h": 77.714,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.57278,
    "c": 0.13246,
    "h": 125.2
  },
  "luminance": 0.19684
}

Semantic roles & 50–950 ramp

primary
#66851C
secondary
#6745B8
accent
#40E871
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0E0F05
muted
#7E7F7A

Preview Lab

Preview with #66851C

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

Preview Lab → · Contrast checker → · Palette generator →

#66851C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva