#66D544#66D544

#66D544 is a light, highly saturated green. Relative luminance 0.508; OKLCH L 77.9% C 0.208 H 139.3°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#66D544
RGB	rgb(102, 213, 68)
HSL	hsl(106, 63%, 55%)
HSV	hsv(106, 68%, 84%)
CMYK	cmyk(52.1%, 0%, 68.1%, 16.5%)
CIE-LAB	lab(76.57, -57.41, 59.44)
CIE-LCH	lch(76.57, 82.63, 134.00°)
OKLab	oklab(77.89% -0.1579 0.1358)
OKLCH	oklch(77.89% 0.208 139.3)
XYZ	xyz(30.3159, 50.8283, 13.6810)
Luminance	0.5083 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D544 #B344D5

analogous

#AFD544 #66D544 #44D56A

triadic

#66D544 #4466D5 #D54466

tetradic

#66D544 #44AFD5 #B344D5 #D56A44

square

#66D544 #44AFD5 #B344D5 #D56A44

split-complementary

#66D544 #6A44D5 #D544AF

monochromatic

#35821D #49B328 #66D544 #8FE076 #B8EBA8

Accessibility & contrast

On white

1.88

#66D544 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#66D544 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D544

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D544	#FFFFFF	#000000	##000000
##66D544	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC32F

Deuteranopia (green-blind)

#CDB951

Tritanopia (blue-blind)

#5BCEB8

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #66d544;
/* rgb */ color: rgb(102, 213, 68);
/* oklch */ color: oklch(77.9% 0.208 139.3);

Tailwind

colors: {
  custom: {
    50: '#9be37f',
    500: '#66d544',
    950: '#000000',
  },
}

SCSS

$custom: #66d544;
$custom-light: #9be37f;
$custom-dark: #000000;

JSON

{
  "hex": "#66d544",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 68
  },
  "hsl": {
    "h": 105.931,
    "s": 63.319,
    "l": 55.098
  },
  "oklch": {
    "l": 0.77893,
    "c": 0.20826,
    "h": 139.3
  },
  "luminance": 0.50831
}

Semantic roles & 50–950 ramp

primary

#66D544

secondary

#753589

accent

#41E6C0

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F150B

muted

#80847E

Preview Lab

Preview with #66D544

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

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