#66E481#66E481

#66E481 is a very light, vivid green. Relative luminance 0.599; OKLCH L 82.4% C 0.177 H 148.3°. Best body text is #000000 at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#66E481
RGB	rgb(102, 228, 129)
HSL	hsl(133, 70%, 65%)
HSV	hsv(133, 55%, 89%)
CMYK	cmyk(55.3%, 0%, 43.4%, 10.6%)
CIE-LAB	lab(81.78, -55.78, 37.92)
CIE-LCH	lch(81.78, 67.45, 145.79°)
OKLab	oklab(82.39% -0.151 0.0932)
OKLCH	oklch(82.39% 0.177 148.3)
XYZ	xyz(37.1829, 59.8933, 30.3657)
Luminance	0.5990 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E481 #E466C9

analogous

#8AE466 #66E481 #66E4C0

triadic

#66E481 #8166E4 #E48166

tetradic

#66E481 #668AE4 #E466C9 #E4C066

square

#66E481 #668AE4 #E466C9 #E4C066

split-complementary

#66E481 #C066E4 #E4668A

monochromatic

#1FB03E #32DB56 #66E481 #9AEDAC #CEF6D7

Accessibility & contrast

On white

1.62

#66E481 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.98

#66E481 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E481

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E481	#FFFFFF	#000000	##000000
##66E481	1.00	1.62	12.98	12.98
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.98	21.00	1.00	1.00
##000000	12.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D27A

Deuteranopia (green-blind)

#D5C788

Tritanopia (blue-blind)

#4AE0CC

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e481;
/* rgb */ color: rgb(102, 228, 129);
/* oklch */ color: oklch(82.4% 0.177 148.3);

Tailwind

colors: {
  custom: {
    50: '#9beda7',
    500: '#66e481',
    950: '#000000',
  },
}

SCSS

$custom: #66e481;
$custom-light: #9beda7;
$custom-dark: #000000;

JSON

{
  "hex": "#66e481",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 129
  },
  "hsl": {
    "h": 132.857,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.82389,
    "c": 0.17749,
    "h": 148.3
  },
  "luminance": 0.59897
}

Semantic roles & 50–950 ramp

primary

#66E481

secondary

#B13D98

accent

#14A9D2

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0F160F

muted

#808580

Preview Lab

Preview with #66E481

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

Preview Lab → · Contrast checker → · Palette generator →