#66821C#66821C

#66821C 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	#66821C
RGB	rgb(102, 130, 28)
HSL	hsl(76, 65%, 31%)
HSV	hsv(76, 78%, 51%)
CMYK	cmyk(21.5%, 0%, 78.5%, 49%)
CIE-LAB	lab(50.54, -24.83, 48.12)
CIE-LCH	lch(50.54, 54.15, 117.29°)
OKLab	oklab(56.52% -0.0724 0.1063)
OKLCH	oklch(56.52% 0.129 124.2)
XYZ	xyz(13.6719, 18.8738, 4.0211)
Luminance	0.1887 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66821C #381C82

analogous

#826B1C #66821C #33821C

triadic

#66821C #1C6682 #821C66

tetradic

#66821C #1C826B #381C82 #821C33

square

#66821C #1C826B #381C82 #821C33

split-complementary

#66821C #1C3382 #6B1C82

monochromatic

#171D06 #3E5011 #66821C #8EB427 #AED642

Accessibility & contrast

On white

4.40

#66821C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#66821C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66821C

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

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

#8A7903

Deuteranopia (green-blind)

#867826

Tritanopia (blue-blind)

#6B7B6F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #66821c;
/* rgb */ color: rgb(102, 130, 28);
/* oklch */ color: oklch(56.5% 0.129 124.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66821c",
  "rgb": {
    "r": 102,
    "g": 130,
    "b": 28
  },
  "hsl": {
    "h": 76.471,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.56518,
    "c": 0.12863,
    "h": 124.2
  },
  "luminance": 0.18874
}

Semantic roles & 50–950 ramp

primary

#66821C

secondary

#6344B5

accent

#40E86E

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F05

muted

#7E7F7A

Preview Lab

Preview with #66821C

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

Preview Lab → · Contrast checker → · Palette generator →