#66E8A5#66E8A5

#66E8A5 is a very light, vivid green. Relative luminance 0.633; OKLCH L 84.1% C 0.150 H 158.2°. Best body text is #000000 at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#66E8A5
RGB	rgb(102, 232, 165)
HSL	hsl(149, 74%, 65%)
HSV	hsv(149, 56%, 91%)
CMYK	cmyk(56%, 0%, 28.9%, 9%)
CIE-LAB	lab(83.57, -51.03, 22.01)
CIE-LCH	lch(83.57, 55.57, 156.67°)
OKLab	oklab(84.06% -0.1395 0.0559)
OKLCH	oklch(84.06% 0.15 158.2)
XYZ	xyz(41.1241, 63.2508, 45.6315)
Luminance	0.6325 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8A5 #E866A9

analogous

#68E866 #66E8A5 #66E8E6

triadic

#66E8A5 #A566E8 #E8A566

tetradic

#66E8A5 #6668E8 #E866A9 #E8E666

square

#66E8A5 #6668E8 #E866A9 #E8E666

split-complementary

#66E8A5 #E666E8 #E86668

monochromatic

#1CB867 #31E086 #66E8A5 #9BF0C4 #D0F8E4

Accessibility & contrast

On white

1.54

#66E8A5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.65

#66E8A5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8A5

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8A5	#FFFFFF	#000000	##000000
##66E8A5	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)

#E6D8A1

Deuteranopia (green-blind)

#D4CBA9

Tritanopia (blue-blind)

#37E7D6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e8a5;
/* rgb */ color: rgb(102, 232, 165);
/* oklch */ color: oklch(84.1% 0.150 158.2);

Tailwind

colors: {
  custom: {
    50: '#9cf0c0',
    500: '#66e8a5',
    950: '#000000',
  },
}

SCSS

$custom: #66e8a5;
$custom-light: #9cf0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8a5",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 165
  },
  "hsl": {
    "h": 149.077,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.84056,
    "c": 0.15026,
    "h": 158.2
  },
  "luminance": 0.63255
}

Semantic roles & 50–950 ramp

primary

#66E8A5

secondary

#B83A7B

accent

#1076D6

background

#FCFFFD

surface

#F5FEF9

border

#CFD6D2

text

#0F1712

muted

#808582

Preview Lab

Preview with #66E8A5

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

Preview Lab → · Contrast checker → · Palette generator →