#66A231#66A231

#66A231 is a light, vivid yellow-green. Relative luminance 0.289; OKLCH L 64.8% C 0.157 H 133.3°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#66A231
RGB	rgb(102, 162, 49)
HSL	hsl(92, 54%, 41%)
HSV	hsv(92, 70%, 64%)
CMYK	cmyk(37%, 0%, 69.8%, 36.5%)
CIE-LAB	lab(60.68, -38.41, 50.29)
CIE-LCH	lch(60.68, 63.28, 127.37°)
OKLab	oklab(64.81% -0.1077 0.1142)
OKLCH	oklch(64.81% 0.157 133.3)
XYZ	xyz(18.9539, 28.8864, 7.4821)
Luminance	0.2889 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A231 #6D31A2

analogous

#9FA231 #66A231 #31A234

triadic

#66A231 #3166A2 #A23166

tetradic

#66A231 #319FA2 #6D31A2 #A23431

square

#66A231 #319FA2 #6D31A2 #A23431

split-complementary

#66A231 #3431A2 #A2319F

monochromatic

#2B4415 #487323 #66A231 #84C848 #A4D677

Accessibility & contrast

On white

3.10

#66A231 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#66A231 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A231

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A231	#FFFFFF	#000000	##000000
##66A231	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99520

Deuteranopia (green-blind)

#A0913B

Tritanopia (blue-blind)

#669C8B

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #66a231;
/* rgb */ color: rgb(102, 162, 49);
/* oklch */ color: oklch(64.8% 0.157 133.3);

Tailwind

colors: {
  custom: {
    50: '#96be70',
    500: '#66a231',
    950: '#000000',
  },
}

SCSS

$custom: #66a231;
$custom-light: #96be70;
$custom-dark: #000000;

JSON

{
  "hex": "#66a231",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 49
  },
  "hsl": {
    "h": 91.858,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6481,
    "c": 0.15694,
    "h": 133.3
  },
  "luminance": 0.28887
}

Semantic roles & 50–950 ramp

primary

#66A231

secondary

#9A71BE

accent

#4BDD98

background

#F9FBF7

surface

#F2F7ED

border

#CCD0C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #66A231

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

Preview Lab → · Contrast checker → · Palette generator →