#66A136#66A136

#66A136 is a light, vivid yellow-green. Relative luminance 0.286; OKLCH L 64.6% C 0.152 H 133.7°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#66A136
RGB	rgb(102, 161, 54)
HSL	hsl(93, 50%, 42%)
HSV	hsv(93, 66%, 63%)
CMYK	cmyk(36.6%, 0%, 66.5%, 36.9%)
CIE-LAB	lab(60.41, -37.56, 47.94)
CIE-LCH	lch(60.41, 60.90, 128.08°)
OKLab	oklab(64.6% -0.105 0.1099)
OKLCH	oklch(64.6% 0.152 133.7)
XYZ	xyz(18.8899, 28.5800, 8.0105)
Luminance	0.2858 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A136 #7136A1

analogous

#9CA136 #66A136 #36A13C

triadic

#66A136 #3666A1 #A13666

tetradic

#66A136 #369CA1 #7136A1 #A13C36

square

#66A136 #369CA1 #7136A1 #A13C36

split-complementary

#66A136 #3C36A1 #A1369C

monochromatic

#2C4517 #497327 #66A136 #84C450 #A4D47E

Accessibility & contrast

On white

3.13

#66A136 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#66A136 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A136

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A136	#FFFFFF	#000000	##000000
##66A136	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)

#A79528

Deuteranopia (green-blind)

#9F903F

Tritanopia (blue-blind)

#669B8B

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #66a136;
/* rgb */ color: rgb(102, 161, 54);
/* oklch */ color: oklch(64.6% 0.152 133.7);

Tailwind

colors: {
  custom: {
    50: '#96bd72',
    500: '#66a136',
    950: '#000000',
  },
}

SCSS

$custom: #66a136;
$custom-light: #96bd72;
$custom-dark: #000000;

JSON

{
  "hex": "#66a136",
  "rgb": {
    "r": 102,
    "g": 161,
    "b": 54
  },
  "hsl": {
    "h": 93.084,
    "s": 49.767,
    "l": 42.157
  },
  "oklch": {
    "l": 0.64601,
    "c": 0.15198,
    "h": 133.7
  },
  "luminance": 0.28581
}

Semantic roles & 50–950 ramp

primary

#66A136

secondary

#9D76BD

accent

#4FD99B

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #66A136

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

Preview Lab → · Contrast checker → · Palette generator →