#66EC5D#66EC5D

#66EC5D is a very light, highly saturated green. Relative luminance 0.636; OKLCH L 83.9% C 0.218 H 142.3°. Best body text is #000000 at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#66EC5D
RGB	rgb(102, 236, 93)
HSL	hsl(116, 79%, 65%)
HSV	hsv(116, 61%, 93%)
CMYK	cmyk(56.8%, 0%, 60.6%, 7.5%)
CIE-LAB	lab(83.76, -63.44, 57.08)
CIE-LCH	lch(83.76, 85.34, 138.02°)
OKLab	oklab(83.88% -0.1728 0.1335)
OKLCH	oklch(83.88% 0.218 142.3)
XYZ	xyz(37.4488, 63.6027, 20.6569)
Luminance	0.6361 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC5D #E35DEC

analogous

#ADEC5D #66EC5D #5DEC9C

triadic

#66EC5D #5D66EC #EC5D66

tetradic

#66EC5D #5DADEC #E35DEC #EC9C5D

square

#66EC5D #5DADEC #E35DEC #EC9C5D

split-complementary

#66EC5D #9C5DEC #EC5DAD

monochromatic

#20B916 #32E626 #66EC5D #9AF294 #CDF9CB

Accessibility & contrast

On white

1.53

#66EC5D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.72

#66EC5D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC5D

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC5D	#FFFFFF	#000000	##000000
##66EC5D	1.00	1.53	13.72	13.72
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.72	21.00	1.00	1.00
##000000	13.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D84D

Deuteranopia (green-blind)

#E0CC69

Tritanopia (blue-blind)

#51E5CD

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ec5d;
/* rgb */ color: rgb(102, 236, 93);
/* oklch */ color: oklch(83.9% 0.218 142.3);

Tailwind

colors: {
  custom: {
    50: '#9ef390',
    500: '#66ec5d',
    950: '#000000',
  },
}

SCSS

$custom: #66ec5d;
$custom-light: #9ef390;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec5d",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 93
  },
  "hsl": {
    "h": 116.224,
    "s": 79.006,
    "l": 64.51
  },
  "oklch": {
    "l": 0.83878,
    "c": 0.21836,
    "h": 142.3
  },
  "luminance": 0.63606
}

Semantic roles & 50–950 ramp

primary

#66EC5D

secondary

#B035B8

accent

#0ADBCE

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#10170D

muted

#80857F

Preview Lab

Preview with #66EC5D

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

Preview Lab → · Contrast checker → · Palette generator →