#66A22C#66A22C

#66A22C is a light, vivid yellow-green. Relative luminance 0.288; OKLCH L 64.8% C 0.160 H 132.9°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#66A22C
RGB	rgb(102, 162, 44)
HSL	hsl(91, 57%, 40%)
HSV	hsv(91, 73%, 64%)
CMYK	cmyk(37%, 0%, 72.8%, 36.5%)
CIE-LAB	lab(60.65, -38.77, 52.19)
CIE-LCH	lch(60.65, 65.01, 126.60°)
OKLab	oklab(64.77% -0.109 0.1174)
OKLCH	oklch(64.77% 0.16 132.9)
XYZ	xyz(18.8542, 28.8465, 6.9569)
Luminance	0.2885 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A22C #682CA2

analogous

#A1A22C #66A22C #2CA22D

triadic

#66A22C #2C66A2 #A22C66

tetradic

#66A22C #2CA1A2 #682CA2 #A22D2C

square

#66A22C #2CA1A2 #682CA2 #A22D2C

split-complementary

#66A22C #2D2CA2 #A22CA1

monochromatic

#294212 #48721F #66A22C #84CB40 #A3D870

Accessibility & contrast

On white

3.10

#66A22C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#66A22C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A22C

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A22C	#FFFFFF	#000000	##000000
##66A22C	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99517

Deuteranopia (green-blind)

#A19137

Tritanopia (blue-blind)

#679B8B

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #66a22c;
/* rgb */ color: rgb(102, 162, 44);
/* oklch */ color: oklch(64.8% 0.160 132.9);

Tailwind

colors: {
  custom: {
    50: '#96be6d',
    500: '#66a22c',
    950: '#000000',
  },
}

SCSS

$custom: #66a22c;
$custom-light: #96be6d;
$custom-dark: #000000;

JSON

{
  "hex": "#66a22c",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 44
  },
  "hsl": {
    "h": 90.508,
    "s": 57.282,
    "l": 40.392
  },
  "oklch": {
    "l": 0.6477,
    "c": 0.16025,
    "h": 132.9
  },
  "luminance": 0.28847
}

Semantic roles & 50–950 ramp

primary

#66A22C

secondary

#966ABF

accent

#47E195

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A22C

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

Preview Lab → · Contrast checker → · Palette generator →