#66811C#66811C

#66811C is a mid, vivid yellow-green. Relative luminance 0.186; OKLCH L 56.3% C 0.127 H 123.9°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#66811C
RGB	rgb(102, 129, 28)
HSL	hsl(76, 64%, 31%)
HSV	hsv(76, 78%, 51%)
CMYK	cmyk(20.9%, 0%, 78.3%, 49.4%)
CIE-LAB	lab(50.23, -24.33, 47.83)
CIE-LCH	lch(50.23, 53.66, 116.96°)
OKLab	oklab(56.27% -0.071 0.1057)
OKLCH	oklch(56.27% 0.127 123.9)
XYZ	xyz(13.5395, 18.6090, 3.9770)
Luminance	0.1861 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66811C #371C81

analogous

#81691C #66811C #33811C

triadic

#66811C #1C6681 #811C66

tetradic

#66811C #1C8169 #371C81 #811C33

square

#66811C #1C8169 #371C81 #811C33

split-complementary

#66811C #1C3381 #691C81

monochromatic

#161C06 #3E4F11 #66811C #8EB327 #AED642

Accessibility & contrast

On white

4.45

#66811C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#66811C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66811C

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66811C	#FFFFFF	#000000	##000000
##66811C	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897804

Deuteranopia (green-blind)

#857726

Tritanopia (blue-blind)

#6B7A6E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #66811c;
/* rgb */ color: rgb(102, 129, 28);
/* oklch */ color: oklch(56.3% 0.127 123.9);

Tailwind

colors: {
  custom: {
    50: '#95a561',
    500: '#66811c',
    950: '#000000',
  },
}

SCSS

$custom: #66811c;
$custom-light: #95a561;
$custom-dark: #000000;

JSON

{
  "hex": "#66811c",
  "rgb": {
    "r": 102,
    "g": 129,
    "b": 28
  },
  "hsl": {
    "h": 76.04,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.56265,
    "c": 0.12735,
    "h": 123.9
  },
  "luminance": 0.18609
}

Semantic roles & 50–950 ramp

primary

#66811C

secondary

#6244B4

accent

#40E76D

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F05

muted

#7E7F7A

Preview Lab

Preview with #66811C

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

Preview Lab → · Contrast checker → · Palette generator →