#66E997#66E997

#66E997 is a very light, vivid green. Relative luminance 0.633; OKLCH L 84.0% C 0.164 H 153.4°. Best body text is #000000 at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#66E997
RGB	rgb(102, 233, 151)
HSL	hsl(142, 75%, 66%)
HSV	hsv(142, 56%, 91%)
CMYK	cmyk(56.2%, 0%, 35.2%, 8.6%)
CIE-LAB	lab(83.62, -54.06, 29.26)
CIE-LCH	lch(83.62, 61.47, 151.58°)
OKLab	oklab(84.01% -0.1467 0.0734)
OKLCH	oklch(84.01% 0.164 153.4)
XYZ	xyz(40.2012, 63.3333, 39.3782)
Luminance	0.6334 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E997 #E966B8

analogous

#76E966 #66E997 #66E9D9

triadic

#66E997 #9766E9 #E99766

tetradic

#66E997 #6676E9 #E966B8 #E9D966

square

#66E997 #6676E9 #E966B8 #E9D966

split-complementary

#66E997 #D966E9 #E96676

monochromatic

#1BBA56 #30E173 #66E997 #9CF1BB #D1F8E0

Accessibility & contrast

On white

1.54

#66E997 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.67

#66E997 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E997

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E997	#FFFFFF	#000000	##000000
##66E997	1.00	1.54	13.67	13.67
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.67	21.00	1.00	1.00
##000000	13.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D892

Deuteranopia (green-blind)

#D7CB9C

Tritanopia (blue-blind)

#3FE6D4

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e997;
/* rgb */ color: rgb(102, 233, 151);
/* oklch */ color: oklch(84.0% 0.164 153.4);

Tailwind

colors: {
  custom: {
    50: '#9cf1b6',
    500: '#66e997',
    950: '#000000',
  },
}

SCSS

$custom: #66e997;
$custom-light: #9cf1b6;
$custom-dark: #000000;

JSON

{
  "hex": "#66e997",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 151
  },
  "hsl": {
    "h": 142.443,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.84009,
    "c": 0.16408,
    "h": 153.4
  },
  "luminance": 0.63337
}

Semantic roles & 50–950 ramp

primary

#66E997

secondary

#B93A8A

accent

#0E8CD7

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66E997

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

Preview Lab → · Contrast checker → · Palette generator →