#66EC9D#66EC9D

#66EC9D is a very light, vivid green. Relative luminance 0.652; OKLCH L 84.9% C 0.163 H 154.8°. Best body text is #000000 at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#66EC9D
RGB	rgb(102, 236, 157)
HSL	hsl(145, 78%, 66%)
HSV	hsv(145, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 33.5%, 7.5%)
CIE-LAB	lab(84.61, -54.17, 27.54)
CIE-LCH	lch(84.61, 60.77, 153.05°)
OKLab	oklab(84.86% -0.1472 0.0693)
OKLCH	oklch(84.86% 0.163 154.8)
XYZ	xyz(41.5574, 65.2461, 42.2955)
Luminance	0.6525 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC9D #EC66B5

analogous

#72EC66 #66EC9D #66ECE0

triadic

#66EC9D #9D66EC #EC9D66

tetradic

#66EC9D #6672EC #EC66B5 #ECE066

square

#66EC9D #6672EC #EC66B5 #ECE066

split-complementary

#66EC9D #E066EC #EC6672

monochromatic

#18C05D #30E57A #66EC9D #9CF3C0 #D3FAE3

Accessibility & contrast

On white

1.49

#66EC9D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.05

#66EC9D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC9D

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC9D	#FFFFFF	#000000	##000000
##66EC9D	1.00	1.49	14.05	14.05
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.05	21.00	1.00	1.00
##000000	14.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBDB98

Deuteranopia (green-blind)

#D9CEA2

Tritanopia (blue-blind)

#3AEAD7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #66ec9d;
/* rgb */ color: rgb(102, 236, 157);
/* oklch */ color: oklch(84.9% 0.163 154.8);

Tailwind

colors: {
  custom: {
    50: '#9cf3ba',
    500: '#66ec9d',
    950: '#000000',
  },
}

SCSS

$custom: #66ec9d;
$custom-light: #9cf3ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec9d",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 157
  },
  "hsl": {
    "h": 144.627,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.84856,
    "c": 0.16274,
    "h": 154.8
  },
  "luminance": 0.6525
}

Semantic roles & 50–950 ramp

primary

#66EC9D

secondary

#BE3887

accent

#0B85DA

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66EC9D

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

Preview Lab → · Contrast checker → · Palette generator →