#66821D#66821D

#66821D is a mid, vivid yellow-green. Relative luminance 0.189; OKLCH L 56.5% C 0.128 H 124.3°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#66821D
RGB	rgb(102, 130, 29)
HSL	hsl(77, 64%, 31%)
HSV	hsv(77, 78%, 51%)
CMYK	cmyk(21.5%, 0%, 77.7%, 49%)
CIE-LAB	lab(50.54, -24.77, 47.78)
CIE-LCH	lch(50.54, 53.82, 117.41°)
OKLab	oklab(56.53% -0.0722 0.1058)
OKLCH	oklch(56.53% 0.128 124.3)
XYZ	xyz(13.6840, 18.8786, 4.0852)
Luminance	0.1888 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66821D #391D82

analogous

#826B1D #66821D #33821D

triadic

#66821D #1D6682 #821D66

tetradic

#66821D #1D826B #391D82 #821D33

square

#66821D #1D826B #391D82 #821D33

split-complementary

#66821D #1D3382 #6B1D82

monochromatic

#171E07 #3F5012 #66821D #8DB428 #ADD544

Accessibility & contrast

On white

4.40

#66821D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#66821D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66821D

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66821D	#FFFFFF	#000000	##000000
##66821D	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)

#8A7905

Deuteranopia (green-blind)

#867827

Tritanopia (blue-blind)

#6B7B6F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #66821d;
/* rgb */ color: rgb(102, 130, 29);
/* oklch */ color: oklch(56.5% 0.128 124.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66821d",
  "rgb": {
    "r": 102,
    "g": 130,
    "b": 29
  },
  "hsl": {
    "h": 76.634,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.56525,
    "c": 0.12805,
    "h": 124.3
  },
  "luminance": 0.18879
}

Semantic roles & 50–950 ramp

primary

#66821D

secondary

#6546B5

accent

#41E76F

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F05

muted

#7E7F7A

Preview Lab

Preview with #66821D

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

Preview Lab → · Contrast checker → · Palette generator →