#66EB57#66EB57

#66EB57 is a very light, highly saturated green. Relative luminance 0.629; OKLCH L 83.6% C 0.222 H 141.7°. Best body text is #000000 at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#66EB57
RGB	rgb(102, 235, 87)
HSL	hsl(114, 79%, 63%)
HSV	hsv(114, 63%, 92%)
CMYK	cmyk(56.6%, 0%, 63%, 7.8%)
CIE-LAB	lab(83.40, -63.69, 59.20)
CIE-LCH	lch(83.40, 86.95, 137.09°)
OKLab	oklab(83.57% -0.1738 0.1374)
OKLCH	oklch(83.57% 0.222 141.7)
XYZ	xyz(36.9063, 62.9263, 19.2161)
Luminance	0.6293 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EB57 #DC57EB

analogous

#B0EB57 #66EB57 #57EB92

triadic

#66EB57 #5766EB #EB5766

tetradic

#66EB57 #57B0EB #DC57EB #EB9257

square

#66EB57 #57B0EB #DC57EB #EB9257

split-complementary

#66EB57 #9257EB #EB57B0

monochromatic

#25B215 #34E420 #66EB57 #98F28E #CAF8C4

Accessibility & contrast

On white

1.55

#66EB57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.59

#66EB57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EB57

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EB57	#FFFFFF	#000000	##000000
##66EB57	1.00	1.55	13.59	13.59
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.59	21.00	1.00	1.00
##000000	13.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D745

Deuteranopia (green-blind)

#E0CB64

Tritanopia (blue-blind)

#53E4CC

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66eb57;
/* rgb */ color: rgb(102, 235, 87);
/* oklch */ color: oklch(83.6% 0.222 141.7);

Tailwind

colors: {
  custom: {
    50: '#9ef28c',
    500: '#66eb57',
    950: '#000000',
  },
}

SCSS

$custom: #66eb57;
$custom-light: #9ef28c;
$custom-dark: #000000;

JSON

{
  "hex": "#66eb57",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 87
  },
  "hsl": {
    "h": 113.919,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.83568,
    "c": 0.22157,
    "h": 141.7
  },
  "luminance": 0.6293
}

Semantic roles & 50–950 ramp

primary

#66EB57

secondary

#A634B3

accent

#0ADBC6

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#10170C

muted

#80857F

Preview Lab

Preview with #66EB57

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

Preview Lab → · Contrast checker → · Palette generator →