#66A52A#66A52A

#66A52A is a light, vivid yellow-green. Relative luminance 0.299; OKLCH L 65.5% C 0.165 H 133.2°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#66A52A
RGB	rgb(102, 165, 42)
HSL	hsl(91, 59%, 41%)
HSV	hsv(91, 75%, 65%)
CMYK	cmyk(38.2%, 0%, 74.5%, 35.3%)
CIE-LAB	lab(61.57, -40.20, 53.84)
CIE-LCH	lch(61.57, 67.19, 126.75°)
OKLab	oklab(65.52% -0.1131 0.1206)
OKLCH	oklch(65.52% 0.165 133.2)
XYZ	xyz(19.3522, 29.9013, 6.9419)
Luminance	0.2990 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A52A #692AA5

analogous

#A3A52A #66A52A #2AA52C

triadic

#66A52A #2A66A5 #A52A66

tetradic

#66A52A #2AA3A5 #692AA5 #A52C2A

square

#66A52A #2AA3A5 #692AA5 #A52C2A

split-complementary

#66A52A #2C2AA5 #A52AA3

monochromatic

#2A4311 #48741E #66A52A #84CE3E #A3DA6F

Accessibility & contrast

On white

3.01

#66A52A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#66A52A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A52A

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A52A	#FFFFFF	#000000	##000000
##66A52A	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9811

Deuteranopia (green-blind)

#A39336

Tritanopia (blue-blind)

#669E8D

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #66a52a;
/* rgb */ color: rgb(102, 165, 42);
/* oklch */ color: oklch(65.5% 0.165 133.2);

Tailwind

colors: {
  custom: {
    50: '#97c06c',
    500: '#66a52a',
    950: '#000000',
  },
}

SCSS

$custom: #66a52a;
$custom-light: #97c06c;
$custom-dark: #000000;

JSON

{
  "hex": "#66a52a",
  "rgb": {
    "r": 102,
    "g": 165,
    "b": 42
  },
  "hsl": {
    "h": 90.732,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.6552,
    "c": 0.16532,
    "h": 133.2
  },
  "luminance": 0.29902
}

Semantic roles & 50–950 ramp

primary

#66A52A

secondary

#9669C1

accent

#45E396

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A52A

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

Preview Lab → · Contrast checker → · Palette generator →