#66E8A3#66E8A3

#66E8A3 is a very light, vivid green. Relative luminance 0.632; OKLCH L 84.0% C 0.152 H 157.4°. Best body text is #000000 at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#66E8A3
RGB	rgb(102, 232, 163)
HSL	hsl(148, 74%, 65%)
HSV	hsv(148, 56%, 91%)
CMYK	cmyk(56%, 0%, 29.7%, 9%)
CIE-LAB	lab(83.54, -51.42, 22.99)
CIE-LCH	lch(83.54, 56.32, 155.91°)
OKLab	oklab(84.01% -0.1404 0.0583)
OKLCH	oklch(84.01% 0.152 157.4)
XYZ	xyz(40.9435, 63.1785, 44.6802)
Luminance	0.6318 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8A3 #E866AB

analogous

#6AE866 #66E8A3 #66E8E4

triadic

#66E8A3 #A366E8 #E8A366

tetradic

#66E8A3 #666AE8 #E866AB #E8E466

square

#66E8A3 #666AE8 #E866AB #E8E466

split-complementary

#66E8A3 #E466E8 #E8666A

monochromatic

#1CB865 #31E083 #66E8A3 #9BF0C3 #D0F8E3

Accessibility & contrast

On white

1.54

#66E8A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.64

#66E8A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8A3

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8A3	#FFFFFF	#000000	##000000
##66E8A3	1.00	1.54	13.64	13.64
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.64	21.00	1.00	1.00
##000000	13.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D89F

Deuteranopia (green-blind)

#D4CBA7

Tritanopia (blue-blind)

#38E6D6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e8a3;
/* rgb */ color: rgb(102, 232, 163);
/* oklch */ color: oklch(84.0% 0.152 157.4);

Tailwind

colors: {
  custom: {
    50: '#9bf0be',
    500: '#66e8a3',
    950: '#000000',
  },
}

SCSS

$custom: #66e8a3;
$custom-light: #9bf0be;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8a3",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 163
  },
  "hsl": {
    "h": 148.154,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.84013,
    "c": 0.152,
    "h": 157.4
  },
  "luminance": 0.63182
}

Semantic roles & 50–950 ramp

primary

#66E8A3

secondary

#B83A7D

accent

#1079D6

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66E8A3

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

Preview Lab → · Contrast checker → · Palette generator →