#66E99D#66E99D

#66E99D is a very light, vivid green. Relative luminance 0.635; OKLCH L 84.1% C 0.159 H 155.3°. Best body text is #000000 at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#66E99D
RGB	rgb(102, 233, 157)
HSL	hsl(145, 75%, 66%)
HSV	hsv(145, 56%, 91%)
CMYK	cmyk(56.2%, 0%, 32.6%, 8.6%)
CIE-LAB	lab(83.72, -52.97, 26.33)
CIE-LCH	lch(83.72, 59.15, 153.56°)
OKLab	oklab(84.13% -0.1441 0.0664)
OKLCH	oklch(84.13% 0.159 155.3)
XYZ	xyz(40.7009, 63.5332, 42.0100)
Luminance	0.6354 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E99D #E966B2

analogous

#70E966 #66E99D #66E9DE

triadic

#66E99D #9D66E9 #E99D66

tetradic

#66E99D #6670E9 #E966B2 #E9DE66

square

#66E99D #6670E9 #E966B2 #E9DE66

split-complementary

#66E99D #DE66E9 #E96670

monochromatic

#1BBA5E #30E17B #66E99D #9CF1BF #D1F8E2

Accessibility & contrast

On white

1.53

#66E99D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.71

#66E99D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E99D

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E99D	#FFFFFF	#000000	##000000
##66E99D	1.00	1.53	13.71	13.71
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.71	21.00	1.00	1.00
##000000	13.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D898

Deuteranopia (green-blind)

#D6CCA2

Tritanopia (blue-blind)

#3BE7D5

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66e99d;
/* rgb */ color: rgb(102, 233, 157);
/* oklch */ color: oklch(84.1% 0.159 155.3);

Tailwind

colors: {
  custom: {
    50: '#9cf1ba',
    500: '#66e99d',
    950: '#000000',
  },
}

SCSS

$custom: #66e99d;
$custom-light: #9cf1ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66e99d",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 157
  },
  "hsl": {
    "h": 145.191,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.84129,
    "c": 0.15867,
    "h": 155.3
  },
  "luminance": 0.63537
}

Semantic roles & 50–950 ramp

primary

#66E99D

secondary

#B93A84

accent

#0E83D7

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66E99D

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

Preview Lab → · Contrast checker → · Palette generator →