#66EC6E#66EC6E

#66EC6E is a very light, highly saturated green. Relative luminance 0.639; OKLCH L 84.1% C 0.205 H 144.5°. Best body text is #000000 at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#66EC6E
RGB	rgb(102, 236, 110)
HSL	hsl(124, 78%, 66%)
HSV	hsv(124, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 53.4%, 7.5%)
CIE-LAB	lab(83.93, -61.48, 49.71)
CIE-LCH	lch(83.93, 79.06, 141.04°)
OKLab	oklab(84.08% -0.1668 0.1189)
OKLCH	oklch(84.08% 0.205 144.5)
XYZ	xyz(38.2872, 63.9380, 25.0725)
Luminance	0.6394 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC6E #EC66E4

analogous

#A1EC66 #66EC6E #66ECB1

triadic

#66EC6E #6E66EC #EC6E66

tetradic

#66EC6E #66A1EC #EC66E4 #ECB166

square

#66EC6E #66A1EC #EC66E4 #ECB166

split-complementary

#66EC6E #B166EC #EC66A1

monochromatic

#18C022 #30E53A #66EC6E #9CF3A2 #D3FAD5

Accessibility & contrast

On white

1.52

#66EC6E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.79

#66EC6E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC6E

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC6E	#FFFFFF	#000000	##000000
##66EC6E	1.00	1.52	13.79	13.79
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.79	21.00	1.00	1.00
##000000	13.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D862

Deuteranopia (green-blind)

#DFCD77

Tritanopia (blue-blind)

#4DE6D0

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ec6e;
/* rgb */ color: rgb(102, 236, 110);
/* oklch */ color: oklch(84.1% 0.205 144.5);

Tailwind

colors: {
  custom: {
    50: '#9df39a',
    500: '#66ec6e',
    950: '#000000',
  },
}

SCSS

$custom: #66ec6e;
$custom-light: #9df39a;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec6e",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 110
  },
  "hsl": {
    "h": 123.582,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84079,
    "c": 0.20478,
    "h": 144.5
  },
  "luminance": 0.63941
}

Semantic roles & 50–950 ramp

primary

#66EC6E

secondary

#BE38B6

accent

#0BCEDA

background

#FCFFFC

surface

#F6FEF5

border

#D0D6CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #66EC6E

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

Preview Lab → · Contrast checker → · Palette generator →