#66851F#66851F

#66851F is a mid, vivid yellow-green. Relative luminance 0.197; OKLCH L 57.3% C 0.131 H 125.4°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#66851F
RGB	rgb(102, 133, 31)
HSL	hsl(78, 62%, 32%)
HSV	hsv(78, 77%, 52%)
CMYK	cmyk(23.3%, 0%, 76.7%, 47.8%)
CIE-LAB	lab(51.49, -26.15, 47.97)
CIE-LCH	lch(51.49, 54.64, 118.59°)
OKLab	oklab(57.3% -0.0757 0.1065)
OKLCH	oklch(57.3% 0.131 125.4)
XYZ	xyz(14.1144, 19.6986, 4.3547)
Luminance	0.1970 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66851F #3E1F85

analogous

#85711F #66851F #33851F

triadic

#66851F #1F6685 #851F66

tetradic

#66851F #1F8571 #3E1F85 #851F33

square

#66851F #1F8571 #3E1F85 #851F33

split-complementary

#66851F #1F3385 #711F85

monochromatic

#1A2208 #405313 #66851F #8CB72B #AAD54A

Accessibility & contrast

On white

4.25

#66851F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#66851F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66851F

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66851F	#FFFFFF	#000000	##000000
##66851F	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C09

Deuteranopia (green-blind)

#887A29

Tritanopia (blue-blind)

#6B7E72

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #66851f;
/* rgb */ color: rgb(102, 133, 31);
/* oklch */ color: oklch(57.3% 0.131 125.4);

Tailwind

colors: {
  custom: {
    50: '#95a863',
    500: '#66851f',
    950: '#000000',
  },
}

SCSS

$custom: #66851f;
$custom-light: #95a863;
$custom-dark: #000000;

JSON

{
  "hex": "#66851f",
  "rgb": {
    "r": 102,
    "g": 133,
    "b": 31
  },
  "hsl": {
    "h": 78.235,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.57298,
    "c": 0.13072,
    "h": 125.4
  },
  "luminance": 0.19699
}

Semantic roles & 50–950 ramp

primary

#66851F

secondary

#6A49B7

accent

#43E574

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F06

muted

#7E7F7A

Preview Lab

Preview with #66851F

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

Preview Lab → · Contrast checker → · Palette generator →