#66EC6D#66EC6D

#66EC6D is a very light, highly saturated green. Relative luminance 0.639; OKLCH L 84.1% C 0.206 H 144.4°. Best body text is #000000 at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#66EC6D
RGB	rgb(102, 236, 109)
HSL	hsl(123, 78%, 66%)
HSV	hsv(123, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 53.8%, 7.5%)
CIE-LAB	lab(83.92, -61.61, 50.16)
CIE-LCH	lch(83.92, 79.44, 140.85°)
OKLab	oklab(84.07% -0.1671 0.1198)
OKLCH	oklch(84.07% 0.206 144.4)
XYZ	xyz(38.2330, 63.9164, 24.7873)
Luminance	0.6392 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC6D #EC66E5

analogous

#A2EC66 #66EC6D #66ECB0

triadic

#66EC6D #6D66EC #EC6D66

tetradic

#66EC6D #66A2EC #EC66E5 #ECB066

square

#66EC6D #66A2EC #EC66E5 #ECB066

split-complementary

#66EC6D #B066EC #EC66A2

monochromatic

#18C021 #30E539 #66EC6D #9CF3A1 #D3FAD5

Accessibility & contrast

On white

1.52

#66EC6D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.78

#66EC6D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC6D

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC6D	#FFFFFF	#000000	##000000
##66EC6D	1.00	1.52	13.78	13.78
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.78	21.00	1.00	1.00
##000000	13.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D861

Deuteranopia (green-blind)

#DFCD76

Tritanopia (blue-blind)

#4DE6CF

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ec6d;
/* rgb */ color: rgb(102, 236, 109);
/* oklch */ color: oklch(84.1% 0.206 144.4);

Tailwind

colors: {
  custom: {
    50: '#9df39a',
    500: '#66ec6d',
    950: '#000000',
  },
}

SCSS

$custom: #66ec6d;
$custom-light: #9df39a;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec6d",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 109
  },
  "hsl": {
    "h": 123.134,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84066,
    "c": 0.20561,
    "h": 144.4
  },
  "luminance": 0.6392
}

Semantic roles & 50–950 ramp

primary

#66EC6D

secondary

#BE38B7

accent

#0BCFDA

background

#FCFFFC

surface

#F6FEF5

border

#D0D6CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #66EC6D

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

Preview Lab → · Contrast checker → · Palette generator →