#66821F#66821F

#66821F is a mid, vivid yellow-green. Relative luminance 0.189; OKLCH L 56.5% C 0.127 H 124.4°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#66821F
RGB	rgb(102, 130, 31)
HSL	hsl(77, 61%, 32%)
HSV	hsv(77, 76%, 51%)
CMYK	cmyk(21.5%, 0%, 76.2%, 49%)
CIE-LAB	lab(50.56, -24.66, 47.07)
CIE-LCH	lch(50.56, 53.14, 117.65°)
OKLab	oklab(56.54% -0.0717 0.1047)
OKLCH	oklch(56.54% 0.127 124.4)
XYZ	xyz(13.7096, 18.8888, 4.2197)
Luminance	0.1889 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66821F #3B1F82

analogous

#826D1F #66821F #34821F

triadic

#66821F #1F6682 #821F66

tetradic

#66821F #1F826D #3B1F82 #821F34

square

#66821F #1F826D #3B1F82 #821F34

split-complementary

#66821F #1F3482 #6D1F82

monochromatic

#181F07 #3F5113 #66821F #8DB32B #ACD348

Accessibility & contrast

On white

4.40

#66821F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#66821F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66821F

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66821F	#FFFFFF	#000000	##000000
##66821F	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A790A

Deuteranopia (green-blind)

#867828

Tritanopia (blue-blind)

#6B7B6F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #66821f;
/* rgb */ color: rgb(102, 130, 31);
/* oklch */ color: oklch(56.5% 0.127 124.4);

Tailwind

colors: {
  custom: {
    50: '#95a662',
    500: '#66821f',
    950: '#000000',
  },
}

SCSS

$custom: #66821f;
$custom-light: #95a662;
$custom-dark: #000000;

JSON

{
  "hex": "#66821f",
  "rgb": {
    "r": 102,
    "g": 130,
    "b": 31
  },
  "hsl": {
    "h": 76.97,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56538,
    "c": 0.12684,
    "h": 124.4
  },
  "luminance": 0.18889
}

Semantic roles & 50–950 ramp

primary

#66821F

secondary

#6748B5

accent

#43E571

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F05

muted

#7E7F7A

Preview Lab

Preview with #66821F

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

Preview Lab → · Contrast checker → · Palette generator →