#66D550#66D550

#66D550 is a light, vivid green. Relative luminance 0.510; OKLCH L 78.0% C 0.200 H 140.5°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#66D550
RGB	rgb(102, 213, 80)
HSL	hsl(110, 61%, 57%)
HSV	hsv(110, 62%, 84%)
CMYK	cmyk(52.1%, 0%, 62.4%, 16.5%)
CIE-LAB	lab(76.67, -56.32, 54.66)
CIE-LCH	lch(76.67, 78.48, 135.86°)
OKLab	oklab(78.01% -0.1542 0.1271)
OKLCH	oklch(78.01% 0.2 140.5)
XYZ	xyz(30.7204, 50.9901, 15.8111)
Luminance	0.5099 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D550 #BF50D5

analogous

#A9D550 #66D550 #50D57C

triadic

#66D550 #5066D5 #D55066

tetradic

#66D550 #50A9D5 #BF50D5 #D57C50

square

#66D550 #50A9D5 #BF50D5 #D57C50

split-complementary

#66D550 #7C50D5 #D550A9

monochromatic

#328A21 #44BB2D #66D550 #91E181 #BCEDB3

Accessibility & contrast

On white

1.88

#66D550 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#66D550 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D550

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D550	#FFFFFF	#000000	##000000
##66D550	1.00	1.88	11.20	11.20
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC340

Deuteranopia (green-blind)

#CCBA5B

Tritanopia (blue-blind)

#5ACFB9

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #66d550;
/* rgb */ color: rgb(102, 213, 80);
/* oklch */ color: oklch(78.0% 0.200 140.5);

Tailwind

colors: {
  custom: {
    50: '#9be386',
    500: '#66d550',
    950: '#000000',
  },
}

SCSS

$custom: #66d550;
$custom-light: #9be386;
$custom-dark: #000000;

JSON

{
  "hex": "#66d550",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 80
  },
  "hsl": {
    "h": 110.075,
    "s": 61.29,
    "l": 57.451
  },
  "oklch": {
    "l": 0.78005,
    "c": 0.19981,
    "h": 140.5
  },
  "luminance": 0.50992
}

Semantic roles & 50–950 ramp

primary

#66D550

secondary

#813990

accent

#43E4CA

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F150B

muted

#80847E

Preview Lab

Preview with #66D550

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

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