#66A641#66A641

#66A641 is a light, vivid yellow-green. Relative luminance 0.305; OKLCH L 66.0% C 0.150 H 135.7°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#66A641
RGB	rgb(102, 166, 65)
HSL	hsl(98, 44%, 45%)
HSV	hsv(98, 61%, 65%)
CMYK	cmyk(38.6%, 0%, 60.8%, 34.9%)
CIE-LAB	lab(62.06, -38.75, 44.89)
CIE-LCH	lch(62.06, 59.30, 130.80°)
OKLab	oklab(65.98% -0.1073 0.1047)
OKLCH	oklch(65.98% 0.15 135.7)
XYZ	xyz(20.0694, 30.4779, 9.8254)
Luminance	0.3048 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A641 #8141A6

analogous

#98A641 #66A641 #41A64F

triadic

#66A641 #4166A6 #A64166

tetradic

#66A641 #4198A6 #8141A6 #A64F41

square

#66A641 #4198A6 #8141A6 #A64F41

split-complementary

#66A641 #4F41A6 #A64198

monochromatic

#304E1F #4B7A30 #66A641 #85C262 #A8D38E

Accessibility & contrast

On white

2.96

#66A641 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#66A641 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A641

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A641	#FFFFFF	#000000	##000000
##66A641	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9936

Deuteranopia (green-blind)

#A39449

Tritanopia (blue-blind)

#64A090

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #66a641;
/* rgb */ color: rgb(102, 166, 65);
/* oklch */ color: oklch(66.0% 0.150 135.7);

Tailwind

colors: {
  custom: {
    50: '#96c179',
    500: '#66a641',
    950: '#000000',
  },
}

SCSS

$custom: #66a641;
$custom-light: #96c179;
$custom-dark: #000000;

JSON

{
  "hex": "#66a641",
  "rgb": {
    "r": 102,
    "g": 166,
    "b": 65
  },
  "hsl": {
    "h": 98.02,
    "s": 43.723,
    "l": 45.294
  },
  "oklch": {
    "l": 0.65984,
    "c": 0.14996,
    "h": 135.7
  },
  "luminance": 0.30479
}

Semantic roles & 50–950 ramp

primary

#66A641

secondary

#A985BE

accent

#54D3A5

background

#F9FBF7

surface

#F2F7EE

border

#CCD0C9

text

#0E1209

muted

#7E817B

Preview Lab

Preview with #66A641

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

Preview Lab → · Contrast checker → · Palette generator →