#66EA9B#66EA9B

#66EA9B is a very light, vivid green. Relative luminance 0.640; OKLCH L 84.3% C 0.162 H 154.5°. Best body text is #000000 at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#66EA9B
RGB	rgb(102, 234, 155)
HSL	hsl(144, 76%, 66%)
HSV	hsv(144, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 33.8%, 8.2%)
CIE-LAB	lab(83.98, -53.74, 27.71)
CIE-LCH	lch(83.98, 60.46, 152.72°)
OKLab	oklab(84.33% -0.146 0.0697)
OKLCH	oklch(84.33% 0.162 154.5)
XYZ	xyz(40.8154, 64.0332, 41.2127)
Luminance	0.6404 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA9B #EA66B5

analogous

#73EA66 #66EA9B #66EADD

triadic

#66EA9B #9B66EA #EA9B66

tetradic

#66EA9B #6673EA #EA66B5 #EADD66

square

#66EA9B #6673EA #EA66B5 #EADD66

split-complementary

#66EA9B #DD66EA #EA6673

monochromatic

#1ABC5B #30E378 #66EA9B #9CF1BE #D2F9E1

Accessibility & contrast

On white

1.52

#66EA9B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.81

#66EA9B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA9B

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA9B	#FFFFFF	#000000	##000000
##66EA9B	1.00	1.52	13.81	13.81
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.81	21.00	1.00	1.00
##000000	13.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD996

Deuteranopia (green-blind)

#D7CCA0

Tritanopia (blue-blind)

#3CE8D6

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ea9b;
/* rgb */ color: rgb(102, 234, 155);
/* oklch */ color: oklch(84.3% 0.162 154.5);

Tailwind

colors: {
  custom: {
    50: '#9cf1b9',
    500: '#66ea9b',
    950: '#000000',
  },
}

SCSS

$custom: #66ea9b;
$custom-light: #9cf1b9;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea9b",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 155
  },
  "hsl": {
    "h": 144.091,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84331,
    "c": 0.16182,
    "h": 154.5
  },
  "luminance": 0.64037
}

Semantic roles & 50–950 ramp

primary

#66EA9B

secondary

#BB3987

accent

#0D87D8

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66EA9B

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

Preview Lab → · Contrast checker → · Palette generator →