#66E995#66E995

#66E995 is a very light, vivid green. Relative luminance 0.633; OKLCH L 84.0% C 0.166 H 152.9°. Best body text is #000000 at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#66E995
RGB	rgb(102, 233, 149)
HSL	hsl(142, 75%, 66%)
HSV	hsv(142, 56%, 91%)
CMYK	cmyk(56.2%, 0%, 36.1%, 8.6%)
CIE-LAB	lab(83.58, -54.42, 30.23)
CIE-LCH	lch(83.58, 62.25, 150.95°)
OKLab	oklab(83.97% -0.1476 0.0757)
OKLCH	oklch(83.97% 0.166 152.9)
XYZ	xyz(40.0401, 63.2689, 38.5300)
Luminance	0.6327 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E995 #E966BA

analogous

#78E966 #66E995 #66E9D7

triadic

#66E995 #9566E9 #E99566

tetradic

#66E995 #6678E9 #E966BA #E9D766

square

#66E995 #6678E9 #E966BA #E9D766

split-complementary

#66E995 #D766E9 #E96678

monochromatic

#1BBA54 #30E170 #66E995 #9CF1BA #D1F8DF

Accessibility & contrast

On white

1.54

#66E995 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.65

#66E995 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E995

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E995	#FFFFFF	#000000	##000000
##66E995	1.00	1.54	13.65	13.65
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.65	21.00	1.00	1.00
##000000	13.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D88F

Deuteranopia (green-blind)

#D7CB9A

Tritanopia (blue-blind)

#40E6D4

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e995;
/* rgb */ color: rgb(102, 233, 149);
/* oklch */ color: oklch(84.0% 0.166 152.9);

Tailwind

colors: {
  custom: {
    50: '#9cf1b4',
    500: '#66e995',
    950: '#000000',
  },
}

SCSS

$custom: #66e995;
$custom-light: #9cf1b4;
$custom-dark: #000000;

JSON

{
  "hex": "#66e995",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 149
  },
  "hsl": {
    "h": 141.527,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.8397,
    "c": 0.1659,
    "h": 152.9
  },
  "luminance": 0.63273
}

Semantic roles & 50–950 ramp

primary

#66E995

secondary

#B93A8C

accent

#0E8FD7

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66E995

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

Preview Lab → · Contrast checker → · Palette generator →