#66D543#66D543

#66D543 is a light, highly saturated green. Relative luminance 0.508; OKLCH L 77.9% C 0.209 H 139.2°. Best body text is #000000 at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#66D543
RGB	rgb(102, 213, 67)
HSL	hsl(106, 63%, 55%)
HSV	hsv(106, 69%, 84%)
CMYK	cmyk(52.1%, 0%, 68.5%, 16.5%)
CIE-LAB	lab(76.57, -57.49, 59.82)
CIE-LCH	lch(76.57, 82.96, 133.86°)
OKLab	oklab(77.88% -0.1582 0.1365)
OKLCH	oklch(77.88% 0.209 139.2)
XYZ	xyz(30.2857, 50.8162, 13.5217)
Luminance	0.5082 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D543 #B243D5

analogous

#AFD543 #66D543 #43D569

triadic

#66D543 #4366D5 #D54366

tetradic

#66D543 #43AFD5 #B243D5 #D56943

square

#66D543 #43AFD5 #B243D5 #D56943

split-complementary

#66D543 #6943D5 #D543AF

monochromatic

#35811D #49B328 #66D543 #8FE075 #B7EBA7

Accessibility & contrast

On white

1.88

#66D543 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.16

#66D543 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D543

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D543	#FFFFFF	#000000	##000000
##66D543	1.00	1.88	11.16	11.16
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.16	21.00	1.00	1.00
##000000	11.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC32D

Deuteranopia (green-blind)

#CDB951

Tritanopia (blue-blind)

#5BCEB8

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #66d543;
/* rgb */ color: rgb(102, 213, 67);
/* oklch */ color: oklch(77.9% 0.209 139.2);

Tailwind

colors: {
  custom: {
    50: '#9be37f',
    500: '#66d543',
    950: '#000000',
  },
}

SCSS

$custom: #66d543;
$custom-light: #9be37f;
$custom-dark: #000000;

JSON

{
  "hex": "#66d543",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 67
  },
  "hsl": {
    "h": 105.616,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.77884,
    "c": 0.20891,
    "h": 139.2
  },
  "luminance": 0.50819
}

Semantic roles & 50–950 ramp

primary

#66D543

secondary

#743488

accent

#41E7BF

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F150A

muted

#80847D

Preview Lab

Preview with #66D543

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

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