#66D97F#66D97F

#66D97F is a light, vivid green. Relative luminance 0.540; OKLCH L 79.6% C 0.164 H 148.6°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#66D97F
RGB	rgb(102, 217, 127)
HSL	hsl(133, 60%, 63%)
HSV	hsv(133, 53%, 85%)
CMYK	cmyk(53%, 0%, 41.5%, 14.9%)
CIE-LAB	lab(78.45, -51.76, 34.62)
CIE-LCH	lch(78.45, 62.27, 146.22°)
OKLab	oklab(79.65% -0.1403 0.0855)
OKLCH	oklch(79.65% 0.164 148.6)
XYZ	xyz(34.1209, 53.9799, 28.6957)
Luminance	0.5398 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D97F #D966C0

analogous

#87D966 #66D97F #66D9B8

triadic

#66D97F #7F66D9 #D97F66

tetradic

#66D97F #6687D9 #D966C0 #D9B866

square

#66D97F #6687D9 #D966C0 #D9B866

split-complementary

#66D97F #B866D9 #D96687

monochromatic

#279D41 #35CD56 #66D97F #97E5A8 #C8F1D1

Accessibility & contrast

On white

1.78

#66D97F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#66D97F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D97F

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D97F	#FFFFFF	#000000	##000000
##66D97F	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC978

Deuteranopia (green-blind)

#CBBE85

Tritanopia (blue-blind)

#4ED5C3

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66d97f;
/* rgb */ color: rgb(102, 217, 127);
/* oklch */ color: oklch(79.6% 0.164 148.6);

Tailwind

colors: {
  custom: {
    50: '#9ae5a5',
    500: '#66d97f',
    950: '#000000',
  },
}

SCSS

$custom: #66d97f;
$custom-light: #9ae5a5;
$custom-dark: #000000;

JSON

{
  "hex": "#66d97f",
  "rgb": {
    "r": 102,
    "g": 217,
    "b": 127
  },
  "hsl": {
    "h": 133.043,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.79648,
    "c": 0.16429,
    "h": 148.6
  },
  "luminance": 0.53983
}

Semantic roles & 50–950 ramp

primary

#66D97F

secondary

#A1428D

accent

#1EA3C8

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0F160F

muted

#808480

Preview Lab

Preview with #66D97F

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

Preview Lab → · Contrast checker → · Palette generator →