#66D956#66D956

#66D956 is a light, highly saturated green. Relative luminance 0.531; OKLCH L 79.1% C 0.200 H 141.3°. Best body text is #000000 at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#66D956
RGB	rgb(102, 217, 86)
HSL	hsl(113, 63%, 59%)
HSV	hsv(113, 60%, 85%)
CMYK	cmyk(53%, 0%, 60.4%, 14.9%)
CIE-LAB	lab(77.95, -57.21, 53.50)
CIE-LCH	lch(77.95, 78.33, 136.92°)
OKLab	oklab(79.07% -0.1563 0.1252)
OKLCH	oklch(79.07% 0.2 141.3)
XYZ	xyz(31.9706, 53.1198, 17.3707)
Luminance	0.5312 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D956 #C956D9

analogous

#A7D956 #66D956 #56D988

triadic

#66D956 #5666D9 #D95666

tetradic

#66D956 #56A7D9 #C956D9 #D98856

square

#66D956 #56A7D9 #C956D9 #D98856

split-complementary

#66D956 #8856D9 #D956A7

monochromatic

#2F9321 #3FC52C #66D956 #93E488 #C0EFBA

Accessibility & contrast

On white

1.81

#66D956 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.62

#66D956 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D956

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D956	#FFFFFF	#000000	##000000
##66D956	1.00	1.81	11.62	11.62
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.62	21.00	1.00	1.00
##000000	11.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC748

Deuteranopia (green-blind)

#CFBD61

Tritanopia (blue-blind)

#58D3BD

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66d956;
/* rgb */ color: rgb(102, 217, 86);
/* oklch */ color: oklch(79.1% 0.200 141.3);

Tailwind

colors: {
  custom: {
    50: '#9be68a',
    500: '#66d956',
    950: '#000000',
  },
}

SCSS

$custom: #66d956;
$custom-light: #9be68a;
$custom-dark: #000000;

JSON

{
  "hex": "#66d956",
  "rgb": {
    "r": 102,
    "g": 217,
    "b": 86
  },
  "hsl": {
    "h": 112.672,
    "s": 63.285,
    "l": 59.412
  },
  "oklch": {
    "l": 0.7907,
    "c": 0.20024,
    "h": 141.3
  },
  "luminance": 0.53122
}

Semantic roles & 50–950 ramp

primary

#66D956

secondary

#8D3B98

accent

#41E6D2

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66D956

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

Preview Lab → · Contrast checker → · Palette generator →