#66A237#66A237

#66A237 is a light, vivid yellow-green. Relative luminance 0.289; OKLCH L 64.9% C 0.153 H 133.9°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#66A237
RGB	rgb(102, 162, 55)
HSL	hsl(94, 49%, 43%)
HSV	hsv(94, 66%, 64%)
CMYK	cmyk(37%, 0%, 66%, 36.5%)
CIE-LAB	lab(60.73, -37.92, 47.85)
CIE-LCH	lch(60.73, 61.05, 128.39°)
OKLab	oklab(64.86% -0.1059 0.1099)
OKLCH	oklch(64.86% 0.153 133.9)
XYZ	xyz(19.0891, 28.9404, 8.1940)
Luminance	0.2894 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A237 #7337A2

analogous

#9BA237 #66A237 #37A23D

triadic

#66A237 #3766A2 #A23766

tetradic

#66A237 #379BA2 #7337A2 #A23D37

square

#66A237 #379BA2 #7337A2 #A23D37

split-complementary

#66A237 #3D37A2 #A2379B

monochromatic

#2C4718 #497427 #66A237 #84C452 #A5D480

Accessibility & contrast

On white

3.09

#66A237 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#66A237 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A237

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A237	#FFFFFF	#000000	##000000
##66A237	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A89629

Deuteranopia (green-blind)

#A09140

Tritanopia (blue-blind)

#669C8C

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #66a237;
/* rgb */ color: rgb(102, 162, 55);
/* oklch */ color: oklch(64.9% 0.153 133.9);

Tailwind

colors: {
  custom: {
    50: '#96be73',
    500: '#66a237',
    950: '#000000',
  },
}

SCSS

$custom: #66a237;
$custom-light: #96be73;
$custom-dark: #000000;

JSON

{
  "hex": "#66a237",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 55
  },
  "hsl": {
    "h": 93.645,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.64865,
    "c": 0.15256,
    "h": 133.9
  },
  "luminance": 0.28941
}

Semantic roles & 50–950 ramp

primary

#66A237

secondary

#9F78BD

accent

#4FD99C

background

#F9FBF7

surface

#F2F7ED

border

#CCD0C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #66A237

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

Preview Lab → · Contrast checker → · Palette generator →