#66E455#66E455

#66E455 is a light, highly saturated green. Relative luminance 0.590; OKLCH L 81.8% C 0.215 H 141.4°. Best body text is #000000 at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#66E455
RGB	rgb(102, 228, 85)
HSL	hsl(113, 73%, 61%)
HSV	hsv(113, 63%, 89%)
CMYK	cmyk(55.3%, 0%, 62.7%, 10.6%)
CIE-LAB	lab(81.27, -61.37, 57.67)
CIE-LCH	lch(81.27, 84.21, 136.78°)
OKLab	oklab(81.81% -0.1676 0.134)
OKLCH	oklch(81.81% 0.215 141.4)
XYZ	xyz(34.8609, 58.9645, 18.1368)
Luminance	0.5897 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E455 #D355E4

analogous

#AEE455 #66E455 #55E48C

triadic

#66E455 #5566E4 #E45566

tetradic

#66E455 #55AEE4 #D355E4 #E48C55

square

#66E455 #55AEE4 #D355E4 #E48C55

split-complementary

#66E455 #8C55E4 #E455AE

monochromatic

#2BA41A #38D923 #66E455 #96EC8A #C5F5BF

Accessibility & contrast

On white

1.64

#66E455 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.79

#66E455 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E455

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E455	#FFFFFF	#000000	##000000
##66E455	1.00	1.64	12.79	12.79
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.79	21.00	1.00	1.00
##000000	12.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D144

Deuteranopia (green-blind)

#D9C661

Tritanopia (blue-blind)

#55DDC6

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66e455;
/* rgb */ color: rgb(102, 228, 85);
/* oklch */ color: oklch(81.8% 0.215 141.4);

Tailwind

colors: {
  custom: {
    50: '#9ded8a',
    500: '#66e455',
    950: '#000000',
  },
}

SCSS

$custom: #66e455;
$custom-light: #9ded8a;
$custom-dark: #000000;

JSON

{
  "hex": "#66e455",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 85
  },
  "hsl": {
    "h": 112.867,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.81806,
    "c": 0.21458,
    "h": 141.4
  },
  "luminance": 0.58967
}

Semantic roles & 50–950 ramp

primary

#66E455

secondary

#9936A7

accent

#11D5BD

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E455

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

Preview Lab → · Contrast checker → · Palette generator →