#66E151#66E151

#66E151 is a light, highly saturated green. Relative luminance 0.573; OKLCH L 81.0% C 0.214 H 140.9°. Best body text is #000000 at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#66E151
RGB	rgb(102, 225, 81)
HSL	hsl(111, 71%, 60%)
HSV	hsv(111, 64%, 88%)
CMYK	cmyk(54.7%, 0%, 64%, 11.8%)
CIE-LAB	lab(80.33, -60.67, 58.28)
CIE-LCH	lch(80.33, 84.13, 136.15°)
OKLab	oklab(81.02% -0.1659 0.1349)
OKLCH	oklch(81.02% 0.214 140.9)
XYZ	xyz(33.8883, 57.2665, 17.0507)
Luminance	0.5727 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E151 #CC51E1

analogous

#AEE151 #66E151 #51E184

triadic

#66E151 #5166E1 #E15166

tetradic

#66E151 #51AEE1 #CC51E1 #E18451

square

#66E151 #51AEE1 #CC51E1 #E18451

split-complementary

#66E151 #8451E1 #E151AE

monochromatic

#2E9D1B #3DD124 #66E151 #94EA85 #C2F3B9

Accessibility & contrast

On white

1.69

#66E151 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.45

#66E151 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E151

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E151	#FFFFFF	#000000	##000000
##66E151	1.00	1.69	12.45	12.45
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.45	21.00	1.00	1.00
##000000	12.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CE3F

Deuteranopia (green-blind)

#D7C35D

Tritanopia (blue-blind)

#57DAC3

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #66e151;
/* rgb */ color: rgb(102, 225, 81);
/* oklch */ color: oklch(81.0% 0.214 140.9);

Tailwind

colors: {
  custom: {
    50: '#9ceb88',
    500: '#66e151',
    950: '#000000',
  },
}

SCSS

$custom: #66e151;
$custom-light: #9ceb88;
$custom-dark: #000000;

JSON

{
  "hex": "#66e151",
  "rgb": {
    "r": 102,
    "g": 225,
    "b": 81
  },
  "hsl": {
    "h": 111.25,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.81018,
    "c": 0.21383,
    "h": 140.9
  },
  "luminance": 0.57269
}

Semantic roles & 50–950 ramp

primary

#66E151

secondary

#9136A0

accent

#3AEDD3

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E151

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

Preview Lab → · Contrast checker → · Palette generator →