#66D256#66D256

#66D256 is a light, vivid green. Relative luminance 0.496; OKLCH L 77.3% C 0.191 H 141.2°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#66D256
RGB	rgb(102, 210, 86)
HSL	hsl(112, 58%, 58%)
HSV	hsv(112, 59%, 82%)
CMYK	cmyk(51.4%, 0%, 59%, 17.6%)
CIE-LAB	lab(75.82, -54.55, 51.07)
CIE-LCH	lch(75.82, 74.73, 136.89°)
OKLab	oklab(77.32% -0.1491 0.12)
OKLCH	oklch(77.32% 0.191 141.2)
XYZ	xyz(30.2044, 49.5875, 16.7820)
Luminance	0.4959 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D256 #C256D2

analogous

#A4D256 #66D256 #56D284

triadic

#66D256 #5666D2 #D25666

tetradic

#66D256 #56A4D2 #C256D2 #D28456

square

#66D256 #56A4D2 #C256D2 #D28456

split-complementary

#66D256 #8456D2 #D256A4

monochromatic

#318925 #43B931 #66D256 #92DF86 #BEECB7

Accessibility & contrast

On white

1.92

#66D256 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#66D256 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D256

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D256	#FFFFFF	#000000	##000000
##66D256	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C149

Deuteranopia (green-blind)

#C9B760

Tritanopia (blue-blind)

#59CCB7

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d256;
/* rgb */ color: rgb(102, 210, 86);
/* oklch */ color: oklch(77.3% 0.191 141.2);

Tailwind

colors: {
  custom: {
    50: '#9ae18a',
    500: '#66d256',
    950: '#000000',
  },
}

SCSS

$custom: #66d256;
$custom-light: #9ae18a;
$custom-dark: #000000;

JSON

{
  "hex": "#66d256",
  "rgb": {
    "r": 102,
    "g": 210,
    "b": 86
  },
  "hsl": {
    "h": 112.258,
    "s": 57.944,
    "l": 58.039
  },
  "oklch": {
    "l": 0.77318,
    "c": 0.19135,
    "h": 141.2
  },
  "luminance": 0.4959
}

Semantic roles & 50–950 ramp

primary

#66D256

secondary

#D4A9DB

accent

#47E1CD

background

#FAFDF8

surface

#F3FBF0

border

#CDD4CB

text

#0F150C

muted

#7F837D

Preview Lab

Preview with #66D256

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

Preview Lab → · Contrast checker → · Palette generator →