#66D32A#66D32A

#66D32A is a light, highly saturated yellow-green. Relative luminance 0.496; OKLCH L 77.2% C 0.220 H 137.4°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#66D32A
RGB	rgb(102, 211, 42)
HSL	hsl(99, 67%, 50%)
HSV	hsv(99, 80%, 83%)
CMYK	cmyk(51.7%, 0%, 80.1%, 17.3%)
CIE-LAB	lab(75.81, -58.39, 67.40)
CIE-LCH	lch(75.81, 89.17, 130.90°)
OKLab	oklab(77.21% -0.162 0.149)
OKLCH	oklch(77.21% 0.22 137.4)
XYZ	xyz(29.1907, 49.5783, 10.2214)
Luminance	0.4958 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D32A #972AD3

analogous

#BBD32A #66D32A #2AD342

triadic

#66D32A #2A66D3 #D32A66

tetradic

#66D32A #2ABBD3 #972AD3 #D3422A

square

#66D32A #2ABBD3 #972AD3 #D3422A

split-complementary

#66D32A #422AD3 #D32ABB

monochromatic

#356D16 #4DA020 #66D32A #8ADE5C #AFE98F

Accessibility & contrast

On white

1.92

#66D32A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#66D32A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D32A

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D32A	#FFFFFF	#000000	##000000
##66D32A	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC000

Deuteranopia (green-blind)

#CCB73E

Tritanopia (blue-blind)

#5ECBB4

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d32a;
/* rgb */ color: rgb(102, 211, 42);
/* oklch */ color: oklch(77.2% 0.220 137.4);

Tailwind

colors: {
  custom: {
    50: '#9ce172',
    500: '#66d32a',
    950: '#000000',
  },
}

SCSS

$custom: #66d32a;
$custom-light: #9ce172;
$custom-dark: #000000;

JSON

{
  "hex": "#66d32a",
  "rgb": {
    "r": 102,
    "g": 211,
    "b": 42
  },
  "hsl": {
    "h": 98.698,
    "s": 66.798,
    "l": 49.608
  },
  "oklch": {
    "l": 0.77214,
    "c": 0.22011,
    "h": 137.4
  },
  "luminance": 0.4958
}

Semantic roles & 50–950 ramp

primary

#66D32A

secondary

#B886D3

accent

#3EEAAD

background

#FAFDF7

surface

#F4FBED

border

#CED4C8

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #66D32A

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

Preview Lab → · Contrast checker → · Palette generator →