#66E877#66E877

#66E877 is a very light, vivid green. Relative luminance 0.619; OKLCH L 83.2% C 0.192 H 146.1°. Best body text is #000000 at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#66E877
RGB	rgb(102, 232, 119)
HSL	hsl(128, 74%, 65%)
HSV	hsv(128, 56%, 91%)
CMYK	cmyk(56%, 0%, 48.7%, 9%)
CIE-LAB	lab(82.84, -58.79, 44.14)
CIE-LCH	lch(82.84, 73.52, 143.10°)
OKLab	oklab(83.22% -0.1592 0.107)
OKLCH	oklch(83.22% 0.192 146.1)
XYZ	xyz(37.6635, 61.8666, 27.4058)
Luminance	0.6187 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E877 #E866D7

analogous

#96E866 #66E877 #66E8B8

triadic

#66E877 #7766E8 #E87766

tetradic

#66E877 #6696E8 #E866D7 #E8B866

square

#66E877 #6696E8 #E866D7 #E8B866

split-complementary

#66E877 #B866E8 #E86696

monochromatic

#1CB830 #31E048 #66E877 #9BF0A6 #D0F8D6

Accessibility & contrast

On white

1.57

#66E877 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.37

#66E877 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E877

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E877	#FFFFFF	#000000	##000000
##66E877	1.00	1.57	13.37	13.37
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.37	21.00	1.00	1.00
##000000	13.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD56E

Deuteranopia (green-blind)

#DACA7F

Tritanopia (blue-blind)

#4CE3CE

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66e877;
/* rgb */ color: rgb(102, 232, 119);
/* oklch */ color: oklch(83.2% 0.192 146.1);

Tailwind

colors: {
  custom: {
    50: '#9cf0a0',
    500: '#66e877',
    950: '#000000',
  },
}

SCSS

$custom: #66e877;
$custom-light: #9cf0a0;
$custom-dark: #000000;

JSON

{
  "hex": "#66e877",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 119
  },
  "hsl": {
    "h": 127.846,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.83217,
    "c": 0.19184,
    "h": 146.1
  },
  "luminance": 0.6187
}

Semantic roles & 50–950 ramp

primary

#66E877

secondary

#B83AA7

accent

#10BCD6

background

#FCFFFC

surface

#F6FEF5

border

#D0D6CF

text

#0F170F

muted

#808580

Preview Lab

Preview with #66E877

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

Preview Lab → · Contrast checker → · Palette generator →