#66831F#66831F

#66831F is a mid, vivid yellow-green. Relative luminance 0.192; OKLCH L 56.8% C 0.128 H 124.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#66831F
RGB	rgb(102, 131, 31)
HSL	hsl(77, 62%, 32%)
HSV	hsv(77, 76%, 51%)
CMYK	cmyk(22.1%, 0%, 76.3%, 48.6%)
CIE-LAB	lab(50.87, -25.16, 47.37)
CIE-LCH	lch(50.87, 53.64, 117.97°)
OKLab	oklab(56.79% -0.073 0.1053)
OKLCH	oklch(56.79% 0.128 124.8)
XYZ	xyz(13.8432, 19.1562, 4.2643)
Luminance	0.1916 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66831F #3C1F83

analogous

#836E1F #66831F #34831F

triadic

#66831F #1F6683 #831F66

tetradic

#66831F #1F836E #3C1F83 #831F34

square

#66831F #1F836E #3C1F83 #831F34

split-complementary

#66831F #1F3483 #6E1F83

monochromatic

#192008 #3F5213 #66831F #8DB42B #ABD449

Accessibility & contrast

On white

4.35

#66831F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#66831F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66831F

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66831F	#FFFFFF	#000000	##000000
##66831F	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7A0A

Deuteranopia (green-blind)

#877928

Tritanopia (blue-blind)

#6B7C70

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #66831f;
/* rgb */ color: rgb(102, 131, 31);
/* oklch */ color: oklch(56.8% 0.128 124.8);

Tailwind

colors: {
  custom: {
    50: '#95a763',
    500: '#66831f',
    950: '#000000',
  },
}

SCSS

$custom: #66831f;
$custom-light: #95a763;
$custom-dark: #000000;

JSON

{
  "hex": "#66831f",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 31
  },
  "hsl": {
    "h": 77.4,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56791,
    "c": 0.12814,
    "h": 124.8
  },
  "luminance": 0.19156
}

Semantic roles & 50–950 ramp

primary

#66831F

secondary

#6848B6

accent

#43E572

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F06

muted

#7E7F7A

Preview Lab

Preview with #66831F

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

Preview Lab → · Contrast checker → · Palette generator →