#66871B#66871B

#66871B is a mid, vivid yellow-green. Relative luminance 0.202; OKLCH L 57.8% C 0.136 H 125.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#66871B
RGB	rgb(102, 135, 27)
HSL	hsl(78, 67%, 32%)
HSV	hsv(78, 80%, 53%)
CMYK	cmyk(24.4%, 0%, 80%, 47.1%)
CIE-LAB	lab(52.10, -27.34, 49.91)
CIE-LCH	lch(52.10, 56.91, 118.71°)
OKLab	oklab(57.78% -0.0793 0.1099)
OKLCH	oklch(57.78% 0.136 125.8)
XYZ	xyz(14.3414, 20.2316, 4.1862)
Luminance	0.2023 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66871B #3C1B87

analogous

#87721B #66871B #30871B

triadic

#66871B #1B6687 #871B66

tetradic

#66871B #1B8772 #3C1B87 #871B30

square

#66871B #1B8772 #3C1B87 #871B30

split-complementary

#66871B #1B3087 #721B87

monochromatic

#192107 #3F5411 #66871B #8DBA25 #ABD943

Accessibility & contrast

On white

4.16

#66871B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#66871B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66871B

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66871B	#FFFFFF	#000000	##000000
##66871B	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7D00

Deuteranopia (green-blind)

#8A7C26

Tritanopia (blue-blind)

#6B8073

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #66871b;
/* rgb */ color: rgb(102, 135, 27);
/* oklch */ color: oklch(57.8% 0.136 125.8);

Tailwind

colors: {
  custom: {
    50: '#95aa61',
    500: '#66871b',
    950: '#000000',
  },
}

SCSS

$custom: #66871b;
$custom-light: #95aa61;
$custom-dark: #000000;

JSON

{
  "hex": "#66871b",
  "rgb": {
    "r": 102,
    "g": 135,
    "b": 27
  },
  "hsl": {
    "h": 78.333,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.5778,
    "c": 0.13555,
    "h": 125.8
  },
  "luminance": 0.20232
}

Semantic roles & 50–950 ramp

primary

#66871B

secondary

#6844BA

accent

#3EEA73

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #66871B

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

Preview Lab → · Contrast checker → · Palette generator →