#66A22D#66A22D

#66A22D is a light, vivid yellow-green. Relative luminance 0.289; OKLCH L 64.8% C 0.160 H 133.0°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#66A22D
RGB	rgb(102, 162, 45)
HSL	hsl(91, 57%, 41%)
HSV	hsv(91, 72%, 64%)
CMYK	cmyk(37%, 0%, 72.2%, 36.5%)
CIE-LAB	lab(60.65, -38.70, 51.82)
CIE-LCH	lch(60.65, 64.68, 126.75°)
OKLab	oklab(64.78% -0.1088 0.1168)
OKLCH	oklch(64.78% 0.16 133)
XYZ	xyz(18.8732, 28.8541, 7.0571)
Luminance	0.2885 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A22D #692DA2

analogous

#A0A22D #66A22D #2DA22E

triadic

#66A22D #2D66A2 #A22D66

tetradic

#66A22D #2DA0A2 #692DA2 #A22E2D

square

#66A22D #2DA0A2 #692DA2 #A22E2D

split-complementary

#66A22D #2E2DA2 #A22DA0

monochromatic

#2A4212 #487220 #66A22D #84CA42 #A3D872

Accessibility & contrast

On white

3.10

#66A22D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#66A22D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A22D

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A22D	#FFFFFF	#000000	##000000
##66A22D	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)

#A99519

Deuteranopia (green-blind)

#A09138

Tritanopia (blue-blind)

#679B8B

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #66a22d;
/* rgb */ color: rgb(102, 162, 45);
/* oklch */ color: oklch(64.8% 0.160 133.0);

Tailwind

colors: {
  custom: {
    50: '#96be6d',
    500: '#66a22d',
    950: '#000000',
  },
}

SCSS

$custom: #66a22d;
$custom-light: #96be6d;
$custom-dark: #000000;

JSON

{
  "hex": "#66a22d",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 45
  },
  "hsl": {
    "h": 90.769,
    "s": 56.522,
    "l": 40.588
  },
  "oklch": {
    "l": 0.64778,
    "c": 0.15962,
    "h": 133
  },
  "luminance": 0.28855
}

Semantic roles & 50–950 ramp

primary

#66A22D

secondary

#966CBF

accent

#48E096

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A22D

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

Preview Lab → · Contrast checker → · Palette generator →