#66D757#66D757

#66D757 is a light, vivid green. Relative luminance 0.521; OKLCH L 78.6% C 0.197 H 141.4°. Best body text is #000000 at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#66D757
RGB	rgb(102, 215, 87)
HSL	hsl(113, 62%, 59%)
HSV	hsv(113, 60%, 84%)
CMYK	cmyk(52.6%, 0%, 59.5%, 15.7%)
CIE-LAB	lab(77.35, -56.35, 52.38)
CIE-LCH	lch(77.35, 76.94, 137.09°)
OKLab	oklab(78.58% -0.1539 0.1229)
OKLCH	oklch(78.58% 0.197 141.4)
XYZ	xyz(31.4988, 52.1113, 17.4136)
Luminance	0.5211 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D757 #C857D7

analogous

#A6D757 #66D757 #57D788

triadic

#66D757 #5766D7 #D75766

tetradic

#66D757 #57A6D7 #C857D7 #D78857

square

#66D757 #57A6D7 #C857D7 #D78857

split-complementary

#66D757 #8857D7 #D757A6

monochromatic

#2F9123 #40C22E #66D757 #93E388 #C0EFBA

Accessibility & contrast

On white

1.84

#66D757 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.42

#66D757 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D757

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D757	#FFFFFF	#000000	##000000
##66D757	1.00	1.84	11.42	11.42
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.42	21.00	1.00	1.00
##000000	11.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC549

Deuteranopia (green-blind)

#CDBB61

Tritanopia (blue-blind)

#58D1BB

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #66d757;
/* rgb */ color: rgb(102, 215, 87);
/* oklch */ color: oklch(78.6% 0.197 141.4);

Tailwind

colors: {
  custom: {
    50: '#9be48a',
    500: '#66d757',
    950: '#000000',
  },
}

SCSS

$custom: #66d757;
$custom-light: #9be48a;
$custom-dark: #000000;

JSON

{
  "hex": "#66d757",
  "rgb": {
    "r": 102,
    "g": 215,
    "b": 87
  },
  "hsl": {
    "h": 112.969,
    "s": 61.538,
    "l": 59.216
  },
  "oklch": {
    "l": 0.78581,
    "c": 0.19694,
    "h": 141.4
  },
  "luminance": 0.52114
}

Semantic roles & 50–950 ramp

primary

#66D757

secondary

#8C3C96

accent

#43E5D2

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66D757

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

Preview Lab → · Contrast checker → · Palette generator →