#66811F#66811F

#66811F is a mid, vivid yellow-green. Relative luminance 0.186; OKLCH L 56.3% C 0.126 H 124.1°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#66811F
RGB	rgb(102, 129, 31)
HSL	hsl(77, 61%, 31%)
HSV	hsv(77, 76%, 51%)
CMYK	cmyk(20.9%, 0%, 76%, 49.4%)
CIE-LAB	lab(50.24, -24.16, 46.77)
CIE-LCH	lch(50.24, 52.64, 117.32°)
OKLab	oklab(56.29% -0.0703 0.104)
OKLCH	oklch(56.29% 0.126 124.1)
XYZ	xyz(13.5772, 18.6241, 4.1756)
Luminance	0.1862 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66811F #3A1F81

analogous

#816B1F #66811F #35811F

triadic

#66811F #1F6681 #811F66

tetradic

#66811F #1F816B #3A1F81 #811F35

square

#66811F #1F816B #3A1F81 #811F35

split-complementary

#66811F #1F3581 #6B1F81

monochromatic

#181E07 #3F5013 #66811F #8DB22B #ACD347

Accessibility & contrast

On white

4.44

#66811F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#66811F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66811F

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66811F	#FFFFFF	#000000	##000000
##66811F	1.00	4.44	4.72	4.72
#FFFFFF	4.44	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)

#89780B

Deuteranopia (green-blind)

#857728

Tritanopia (blue-blind)

#6B7A6E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #66811f;
/* rgb */ color: rgb(102, 129, 31);
/* oklch */ color: oklch(56.3% 0.126 124.1);

Tailwind

colors: {
  custom: {
    50: '#95a562',
    500: '#66811f',
    950: '#000000',
  },
}

SCSS

$custom: #66811f;
$custom-light: #95a562;
$custom-dark: #000000;

JSON

{
  "hex": "#66811f",
  "rgb": {
    "r": 102,
    "g": 129,
    "b": 31
  },
  "hsl": {
    "h": 76.531,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56286,
    "c": 0.12555,
    "h": 124.1
  },
  "luminance": 0.18624
}

Semantic roles & 50–950 ramp

primary

#66811F

secondary

#6648B4

accent

#43E470

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F05

muted

#7E7F7A

Preview Lab

Preview with #66811F

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

Preview Lab → · Contrast checker → · Palette generator →