#66A11C#66A11C

#66A11C is a light, vivid yellow-green. Relative luminance 0.284; OKLCH L 64.4% C 0.168 H 131.7°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#66A11C
RGB	rgb(102, 161, 28)
HSL	hsl(87, 70%, 37%)
HSV	hsv(87, 83%, 63%)
CMYK	cmyk(36.6%, 0%, 82.6%, 36.9%)
CIE-LAB	lab(60.25, -39.23, 57.04)
CIE-LCH	lch(60.25, 69.23, 124.51°)
OKLab	oklab(64.42% -0.1114 0.1252)
OKLCH	oklch(64.42% 0.168 131.7)
XYZ	xyz(18.4338, 28.3976, 5.6084)
Luminance	0.2840 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A11C #571CA1

analogous

#A19A1C #66A11C #23A11C

triadic

#66A11C #1C66A1 #A11C66

tetradic

#66A11C #1CA19A #571CA1 #A11C23

square

#66A11C #1CA19A #571CA1 #A11C23

split-complementary

#66A11C #1C23A1 #9A1CA1

monochromatic

#24390A #456D13 #66A11C #87D525 #A4E256

Accessibility & contrast

On white

3.14

#66A11C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#66A11C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A11C

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A11C	#FFFFFF	#000000	##000000
##66A11C	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A89400

Deuteranopia (green-blind)

#A0902C

Tritanopia (blue-blind)

#689A89

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #66a11c;
/* rgb */ color: rgb(102, 161, 28);
/* oklch */ color: oklch(64.4% 0.168 131.7);

Tailwind

colors: {
  custom: {
    50: '#97bd66',
    500: '#66a11c',
    950: '#000000',
  },
}

SCSS

$custom: #66a11c;
$custom-light: #97bd66;
$custom-dark: #000000;

JSON

{
  "hex": "#66a11c",
  "rgb": {
    "r": 102,
    "g": 161,
    "b": 28
  },
  "hsl": {
    "h": 86.617,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.64416,
    "c": 0.16754,
    "h": 131.7
  },
  "luminance": 0.28398
}

Semantic roles & 50–950 ramp

primary

#66A11C

secondary

#8654C5

accent

#3BED8A

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #66A11C

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

Preview Lab → · Contrast checker → · Palette generator →