#66E13B#66E13B

#66E13B is a light, highly saturated green. Relative luminance 0.570; OKLCH L 80.8% C 0.228 H 139.1°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#66E13B
RGB	rgb(102, 225, 59)
HSL	hsl(104, 73%, 56%)
HSV	hsv(104, 74%, 88%)
CMYK	cmyk(54.7%, 0%, 73.8%, 11.8%)
CIE-LAB	lab(80.17, -62.43, 66.36)
CIE-LCH	lch(80.17, 91.12, 133.25°)
OKLab	oklab(80.84% -0.172 0.1492)
OKLCH	oklch(80.84% 0.228 139.1)
XYZ	xyz(33.1928, 56.9882, 13.3875)
Luminance	0.5699 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E13B #B63BE1

analogous

#B9E13B #66E13B #3BE163

triadic

#66E13B #3B66E1 #E13B66

tetradic

#66E13B #3BB9E1 #B63BE1 #E1633B

square

#66E13B #3BB9E1 #B63BE1 #E1633B

split-complementary

#66E13B #633BE1 #E13BB9

monochromatic

#348C15 #48C11E #66E13B #8FE970 #B9F1A5

Accessibility & contrast

On white

1.69

#66E13B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.40

#66E13B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E13B

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E13B	#FFFFFF	#000000	##000000
##66E13B	1.00	1.69	12.40	12.40
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.40	21.00	1.00	1.00
##000000	12.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8CD18

Deuteranopia (green-blind)

#D8C34C

Tritanopia (blue-blind)

#5AD9C1

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #66e13b;
/* rgb */ color: rgb(102, 225, 59);
/* oklch */ color: oklch(80.8% 0.228 139.1);

Tailwind

colors: {
  custom: {
    50: '#9deb7c',
    500: '#66e13b',
    950: '#000000',
  },
}

SCSS

$custom: #66e13b;
$custom-light: #9deb7c;
$custom-dark: #000000;

JSON

{
  "hex": "#66e13b",
  "rgb": {
    "r": 102,
    "g": 225,
    "b": 59
  },
  "hsl": {
    "h": 104.458,
    "s": 73.451,
    "l": 55.686
  },
  "oklch": {
    "l": 0.80839,
    "c": 0.22765,
    "h": 139.1
  },
  "luminance": 0.56991
}

Semantic roles & 50–950 ramp

primary

#66E13B

secondary

#782F92

accent

#38F0C0

background

#FCFFFB

surface

#F6FEF2

border

#D0D6CC

text

#10160A

muted

#80857D

Preview Lab

Preview with #66E13B

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

Preview Lab → · Contrast checker → · Palette generator →