#66821B#66821B

#66821B is a mid, vivid yellow-green. Relative luminance 0.189; OKLCH L 56.5% C 0.129 H 124.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#66821B
RGB	rgb(102, 130, 27)
HSL	hsl(76, 66%, 31%)
HSV	hsv(76, 79%, 51%)
CMYK	cmyk(21.5%, 0%, 79.2%, 49%)
CIE-LAB	lab(50.53, -24.88, 48.45)
CIE-LCH	lch(50.53, 54.47, 117.18°)
OKLab	oklab(56.51% -0.0726 0.1069)
OKLCH	oklch(56.51% 0.129 124.2)
XYZ	xyz(13.6601, 18.8691, 3.9591)
Luminance	0.1887 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66821B #371B82

analogous

#826A1B #66821B #32821B

triadic

#66821B #1B6682 #821B66

tetradic

#66821B #1B826A #371B82 #821B32

square

#66821B #1B826A #371B82 #821B32

split-complementary

#66821B #1B3282 #6A1B82

monochromatic

#161D06 #3E4F10 #66821B #8EB526 #AED740

Accessibility & contrast

On white

4.40

#66821B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#66821B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66821B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66821B	#FFFFFF	#000000	##000000
##66821B	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7901

Deuteranopia (green-blind)

#867825

Tritanopia (blue-blind)

#6B7B6F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #66821b;
/* rgb */ color: rgb(102, 130, 27);
/* oklch */ color: oklch(56.5% 0.129 124.2);

Tailwind

colors: {
  custom: {
    50: '#95a661',
    500: '#66821b',
    950: '#000000',
  },
}

SCSS

$custom: #66821b;
$custom-light: #95a661;
$custom-dark: #000000;

JSON

{
  "hex": "#66821b",
  "rgb": {
    "r": 102,
    "g": 130,
    "b": 27
  },
  "hsl": {
    "h": 76.311,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.56512,
    "c": 0.12919,
    "h": 124.2
  },
  "luminance": 0.18869
}

Semantic roles & 50–950 ramp

primary

#66821B

secondary

#6243B6

accent

#3FE96D

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F05

muted

#7E7F7A

Preview Lab

Preview with #66821B

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

Preview Lab → · Contrast checker → · Palette generator →