#66EC8D#66EC8D

#66EC8D is a very light, vivid green. Relative luminance 0.647; OKLCH L 84.6% C 0.177 H 150.4°. Best body text is #000000 at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#66EC8D
RGB	rgb(102, 236, 141)
HSL	hsl(137, 78%, 66%)
HSV	hsv(137, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 40.3%, 7.5%)
CIE-LAB	lab(84.35, -56.96, 35.27)
CIE-LCH	lch(84.35, 67.00, 148.23°)
OKLab	oklab(84.55% -0.1542 0.0874)
OKLCH	oklch(84.55% 0.177 150.4)
XYZ	xyz(40.2797, 64.7351, 35.5666)
Luminance	0.6474 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC8D #EC66C5

analogous

#82EC66 #66EC8D #66ECD0

triadic

#66EC8D #8D66EC #EC8D66

tetradic

#66EC8D #6682EC #EC66C5 #ECD066

square

#66EC8D #6682EC #EC66C5 #ECD066

split-complementary

#66EC8D #D066EC #EC6682

monochromatic

#18C049 #30E564 #66EC8D #9CF3B6 #D3FADE

Accessibility & contrast

On white

1.51

#66EC8D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.95

#66EC8D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC8D

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC8D	#FFFFFF	#000000	##000000
##66EC8D	1.00	1.51	13.95	13.95
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.95	21.00	1.00	1.00
##000000	13.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDDA86

Deuteranopia (green-blind)

#DBCE93

Tritanopia (blue-blind)

#42E8D4

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66ec8d;
/* rgb */ color: rgb(102, 236, 141);
/* oklch */ color: oklch(84.6% 0.177 150.4);

Tailwind

colors: {
  custom: {
    50: '#9cf3af',
    500: '#66ec8d',
    950: '#000000',
  },
}

SCSS

$custom: #66ec8d;
$custom-light: #9cf3af;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec8d",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 141
  },
  "hsl": {
    "h": 137.463,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84554,
    "c": 0.17727,
    "h": 150.4
  },
  "luminance": 0.64739
}

Semantic roles & 50–950 ramp

primary

#66EC8D

secondary

#BE3897

accent

#0B9EDA

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EC8D

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

Preview Lab → · Contrast checker → · Palette generator →