#66C13A#66C13A

#66C13A is a light, vivid green. Relative luminance 0.413; OKLCH L 72.8% C 0.190 H 137.3°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#66C13A
RGB	rgb(102, 193, 58)
HSL	hsl(100, 54%, 49%)
HSV	hsv(100, 70%, 76%)
CMYK	cmyk(47.2%, 0%, 69.9%, 24.3%)
CIE-LAB	lab(70.36, -50.57, 56.80)
CIE-LCH	lch(70.36, 76.05, 131.68°)
OKLab	oklab(72.76% -0.14 0.129)
OKLCH	oklch(72.76% 0.19 137.3)
XYZ	xyz(25.3124, 41.2685, 10.6340)
Luminance	0.4127 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C13A #953AC1

analogous

#AAC13A #66C13A #3AC151

triadic

#66C13A #3A66C1 #C13A66

tetradic

#66C13A #3AAAC1 #953AC1 #C1513A

square

#66C13A #3AAAC1 #953AC1 #C1513A

split-complementary

#66C13A #513AC1 #C13AAA

monochromatic

#34631E #4D922C #66C13A #8AD167 #AEDF96

Accessibility & contrast

On white

2.27

#66C13A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.25

#66C13A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C13A

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C13A	#FFFFFF	#000000	##000000
##66C13A	1.00	2.27	9.25	9.25
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.25	21.00	1.00	1.00
##000000	9.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B125

Deuteranopia (green-blind)

#BBA947

Tritanopia (blue-blind)

#61BAA6

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #66c13a;
/* rgb */ color: rgb(102, 193, 58);
/* oklch */ color: oklch(72.8% 0.190 137.3);

Tailwind

colors: {
  custom: {
    50: '#99d478',
    500: '#66c13a',
    950: '#000000',
  },
}

SCSS

$custom: #66c13a;
$custom-light: #99d478;
$custom-dark: #000000;

JSON

{
  "hex": "#66c13a",
  "rgb": {
    "r": 102,
    "g": 193,
    "b": 58
  },
  "hsl": {
    "h": 100.444,
    "s": 53.785,
    "l": 49.216
  },
  "oklch": {
    "l": 0.72762,
    "c": 0.19041,
    "h": 137.3
  },
  "luminance": 0.4127
}

Semantic roles & 50–950 ramp

primary

#66C13A

secondary

#B68CCB

accent

#4BDDAD

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66C13A

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

Preview Lab → · Contrast checker → · Palette generator →