#66D877#66D877

#66D877 is a light, vivid green. Relative luminance 0.533; OKLCH L 79.3% C 0.170 H 146.8°. Best body text is #000000 at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#66D877
RGB	rgb(102, 216, 119)
HSL	hsl(129, 59%, 62%)
HSV	hsv(129, 53%, 85%)
CMYK	cmyk(52.8%, 0%, 44.9%, 15.3%)
CIE-LAB	lab(78.03, -52.60, 38.09)
CIE-LCH	lch(78.03, 64.94, 144.09°)
OKLab	oklab(79.27% -0.1426 0.0933)
OKLCH	oklch(79.27% 0.17 146.8)
XYZ	xyz(33.3631, 53.2656, 25.9724)
Luminance	0.5327 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D877 #D866C7

analogous

#8ED866 #66D877 #66D8B0

triadic

#66D877 #7766D8 #D87766

tetradic

#66D877 #668ED8 #D866C7 #D8B066

square

#66D877 #668ED8 #D866C7 #D8B066

split-complementary

#66D877 #B066D8 #D8668E

monochromatic

#289C39 #35CC4C #66D877 #97E4A2 #C8F1CE

Accessibility & contrast

On white

1.80

#66D877 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.65

#66D877 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D877

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D877	#FFFFFF	#000000	##000000
##66D877	1.00	1.80	11.65	11.65
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.65	21.00	1.00	1.00
##000000	11.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC770

Deuteranopia (green-blind)

#CBBD7D

Tritanopia (blue-blind)

#50D4C1

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66d877;
/* rgb */ color: rgb(102, 216, 119);
/* oklch */ color: oklch(79.3% 0.170 146.8);

Tailwind

colors: {
  custom: {
    50: '#9ae59f',
    500: '#66d877',
    950: '#000000',
  },
}

SCSS

$custom: #66d877;
$custom-light: #9ae59f;
$custom-dark: #000000;

JSON

{
  "hex": "#66d877",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 119
  },
  "hsl": {
    "h": 128.947,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.79267,
    "c": 0.17039,
    "h": 146.8
  },
  "luminance": 0.53268
}

Semantic roles & 50–950 ramp

primary

#66D877

secondary

#A04292

accent

#1EAEC7

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0F160F

muted

#808480

Preview Lab

Preview with #66D877

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

Preview Lab → · Contrast checker → · Palette generator →