#66D554#66D554

#66D554 is a light, vivid green. Relative luminance 0.511; OKLCH L 78.0% C 0.197 H 141.0°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#66D554
RGB	rgb(102, 213, 84)
HSL	hsl(112, 61%, 58%)
HSV	hsv(112, 61%, 84%)
CMYK	cmyk(52.1%, 0%, 60.6%, 16.5%)
CIE-LAB	lab(76.71, -55.91, 52.97)
CIE-LCH	lch(76.71, 77.02, 136.54°)
OKLab	oklab(78.05% -0.1529 0.1239)
OKLCH	oklch(78.05% 0.197 141)
XYZ	xyz(30.8726, 51.0509, 16.6127)
Luminance	0.5105 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D554 #C354D5

analogous

#A6D554 #66D554 #54D582

triadic

#66D554 #5466D5 #D55466

tetradic

#66D554 #54A6D5 #C354D5 #D58254

square

#66D554 #54A6D5 #C354D5 #D58254

split-complementary

#66D554 #8254D5 #D554A6

monochromatic

#318C22 #42BD2E #66D554 #92E185 #BEEDB6

Accessibility & contrast

On white

1.87

#66D554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#66D554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D554

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D554	#FFFFFF	#000000	##000000
##66D554	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC346

Deuteranopia (green-blind)

#CCBA5E

Tritanopia (blue-blind)

#59CFB9

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #66d554;
/* rgb */ color: rgb(102, 213, 84);
/* oklch */ color: oklch(78.0% 0.197 141.0);

Tailwind

colors: {
  custom: {
    50: '#9be389',
    500: '#66d554',
    950: '#000000',
  },
}

SCSS

$custom: #66d554;
$custom-light: #9be389;
$custom-dark: #000000;

JSON

{
  "hex": "#66d554",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 84
  },
  "hsl": {
    "h": 111.628,
    "s": 60.563,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78047,
    "c": 0.19675,
    "h": 141
  },
  "luminance": 0.51053
}

Semantic roles & 50–950 ramp

primary

#66D554

secondary

#863B92

accent

#44E4CD

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F150C

muted

#80847F

Preview Lab

Preview with #66D554

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

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