#66E457#66E457

#66E457 is a light, highly saturated green. Relative luminance 0.590; OKLCH L 81.8% C 0.213 H 141.6°. Best body text is #000000 at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#66E457
RGB	rgb(102, 228, 87)
HSL	hsl(114, 72%, 62%)
HSV	hsv(114, 62%, 89%)
CMYK	cmyk(55.3%, 0%, 61.8%, 10.6%)
CIE-LAB	lab(81.29, -61.17, 56.85)
CIE-LCH	lch(81.29, 83.51, 137.10°)
OKLab	oklab(81.83% -0.167 0.1324)
OKLCH	oklch(81.83% 0.213 141.6)
XYZ	xyz(34.9415, 58.9967, 18.5612)
Luminance	0.5900 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E457 #D557E4

analogous

#ADE457 #66E457 #57E48F

triadic

#66E457 #5766E4 #E45766

tetradic

#66E457 #57ADE4 #D557E4 #E48F57

square

#66E457 #57ADE4 #D557E4 #E48F57

split-complementary

#66E457 #8F57E4 #E457AD

monochromatic

#29A61B #37DB23 #66E457 #96EC8C #C6F5C0

Accessibility & contrast

On white

1.64

#66E457 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.80

#66E457 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E457

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E457	#FFFFFF	#000000	##000000
##66E457	1.00	1.64	12.80	12.80
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.80	21.00	1.00	1.00
##000000	12.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D147

Deuteranopia (green-blind)

#D9C663

Tritanopia (blue-blind)

#55DDC6

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66e457;
/* rgb */ color: rgb(102, 228, 87);
/* oklch */ color: oklch(81.8% 0.213 141.6);

Tailwind

colors: {
  custom: {
    50: '#9ded8b',
    500: '#66e457',
    950: '#000000',
  },
}

SCSS

$custom: #66e457;
$custom-light: #9ded8b;
$custom-dark: #000000;

JSON

{
  "hex": "#66e457",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 87
  },
  "hsl": {
    "h": 113.617,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.81826,
    "c": 0.2131,
    "h": 141.6
  },
  "luminance": 0.59
}

Semantic roles & 50–950 ramp

primary

#66E457

secondary

#9C37A8

accent

#11D4C0

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E457

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

Preview Lab → · Contrast checker → · Palette generator →