#66A137#66A137

#66A137 is a light, vivid yellow-green. Relative luminance 0.286; OKLCH L 64.6% C 0.151 H 133.8°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#66A137
RGB	rgb(102, 161, 55)
HSL	hsl(93, 49%, 42%)
HSV	hsv(93, 66%, 63%)
CMYK	cmyk(36.6%, 0%, 65.8%, 36.9%)
CIE-LAB	lab(60.42, -37.48, 47.52)
CIE-LCH	lch(60.42, 60.52, 128.26°)
OKLab	oklab(64.61% -0.1047 0.1091)
OKLCH	oklch(64.61% 0.151 133.8)
XYZ	xyz(18.9136, 28.5895, 8.1355)
Luminance	0.2859 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A137 #7237A1

analogous

#9BA137 #66A137 #37A13D

triadic

#66A137 #3766A1 #A13766

tetradic

#66A137 #379BA1 #7237A1 #A13D37

square

#66A137 #379BA1 #7237A1 #A13D37

split-complementary

#66A137 #3D37A1 #A1379B

monochromatic

#2C4618 #497327 #66A137 #84C451 #A4D37F

Accessibility & contrast

On white

3.13

#66A137 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#66A137 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A137

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A137	#FFFFFF	#000000	##000000
##66A137	1.00	3.13	6.72	6.72
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79529

Deuteranopia (green-blind)

#9F9040

Tritanopia (blue-blind)

#669B8B

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #66a137;
/* rgb */ color: rgb(102, 161, 55);
/* oklch */ color: oklch(64.6% 0.151 133.8);

Tailwind

colors: {
  custom: {
    50: '#96bd73',
    500: '#66a137',
    950: '#000000',
  },
}

SCSS

$custom: #66a137;
$custom-light: #96bd73;
$custom-dark: #000000;

JSON

{
  "hex": "#66a137",
  "rgb": {
    "r": 102,
    "g": 161,
    "b": 55
  },
  "hsl": {
    "h": 93.396,
    "s": 49.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.64611,
    "c": 0.15121,
    "h": 133.8
  },
  "luminance": 0.2859
}

Semantic roles & 50–950 ramp

primary

#66A137

secondary

#9E77BD

accent

#4FD99C

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #66A137

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

Preview Lab → · Contrast checker → · Palette generator →