#66E13F#66E13F

#66E13F is a light, highly saturated green. Relative luminance 0.570; OKLCH L 80.9% C 0.225 H 139.3°. Best body text is #000000 at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#66E13F
RGB	rgb(102, 225, 63)
HSL	hsl(106, 73%, 56%)
HSV	hsv(106, 72%, 88%)
CMYK	cmyk(54.7%, 0%, 72%, 11.8%)
CIE-LAB	lab(80.20, -62.16, 65.02)
CIE-LCH	lch(80.20, 89.95, 133.71°)
OKLab	oklab(80.87% -0.171 0.1469)
OKLCH	oklch(80.87% 0.225 139.3)
XYZ	xyz(33.3005, 57.0313, 13.9550)
Luminance	0.5703 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E13F #BA3FE1

analogous

#B7E13F #66E13F #3FE169

triadic

#66E13F #3F66E1 #E13F66

tetradic

#66E13F #3FB7E1 #BA3FE1 #E1693F

square

#66E13F #3FB7E1 #BA3FE1 #E1693F

split-complementary

#66E13F #693FE1 #E13FB7

monochromatic

#338F16 #46C41F #66E13F #90E974 #BAF2A9

Accessibility & contrast

On white

1.69

#66E13F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.41

#66E13F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E13F

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E13F	#FFFFFF	#000000	##000000
##66E13F	1.00	1.69	12.41	12.41
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.41	21.00	1.00	1.00
##000000	12.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CD21

Deuteranopia (green-blind)

#D8C34F

Tritanopia (blue-blind)

#59DAC1

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #66e13f;
/* rgb */ color: rgb(102, 225, 63);
/* oklch */ color: oklch(80.9% 0.225 139.3);

Tailwind

colors: {
  custom: {
    50: '#9deb7e',
    500: '#66e13f',
    950: '#000000',
  },
}

SCSS

$custom: #66e13f;
$custom-light: #9deb7e;
$custom-dark: #000000;

JSON

{
  "hex": "#66e13f",
  "rgb": {
    "r": 102,
    "g": 225,
    "b": 63
  },
  "hsl": {
    "h": 105.556,
    "s": 72.973,
    "l": 56.471
  },
  "oklch": {
    "l": 0.80867,
    "c": 0.22544,
    "h": 139.3
  },
  "luminance": 0.57034
}

Semantic roles & 50–950 ramp

primary

#66E13F

secondary

#7C3094

accent

#38F0C3

background

#FCFFFB

surface

#F6FEF2

border

#D0D6CC

text

#10160B

muted

#80857E

Preview Lab

Preview with #66E13F

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

Preview Lab → · Contrast checker → · Palette generator →