#66F45B#66F45B

#66F45B is a very light, highly saturated green. Relative luminance 0.683; OKLCH L 85.8% C 0.229 H 142.1°. Best body text is #000000 at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#66F45B
RGB	rgb(102, 244, 91)
HSL	hsl(116, 87%, 66%)
HSV	hsv(116, 63%, 96%)
CMYK	cmyk(58.2%, 0%, 62.7%, 4.3%)
CIE-LAB	lab(86.15, -66.47, 60.59)
CIE-LCH	lch(86.15, 89.95, 137.65°)
OKLab	oklab(85.84% -0.1811 0.1408)
OKLCH	oklch(85.84% 0.229 142.1)
XYZ	xyz(39.7164, 68.2779, 20.9815)
Luminance	0.6828 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F45B #E95BF4

analogous

#B3F45B #66F45B #5BF49C

triadic

#66F45B #5B66F4 #F45B66

tetradic

#66F45B #5BB3F4 #E95BF4 #F49C5B

square

#66F45B #5BB3F4 #E95BF4 #F49C5B

split-complementary

#66F45B #9C5BF4 #F45BB3

monochromatic

#1BC70D #30F022 #66F45B #9CF894 #D1FCCE

Accessibility & contrast

On white

1.43

#66F45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.66

#66F45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F45B

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F45B	#FFFFFF	#000000	##000000
##66F45B	1.00	1.43	14.66	14.66
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.66	21.00	1.00	1.00
##000000	14.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DF49

Deuteranopia (green-blind)

#E8D368

Tritanopia (blue-blind)

#4FEDD4

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f45b;
/* rgb */ color: rgb(102, 244, 91);
/* oklch */ color: oklch(85.8% 0.229 142.1);

Tailwind

colors: {
  custom: {
    50: '#9ff98f',
    500: '#66f45b',
    950: '#000000',
  },
}

SCSS

$custom: #66f45b;
$custom-light: #9ff98f;
$custom-dark: #000000;

JSON

{
  "hex": "#66f45b",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 91
  },
  "hsl": {
    "h": 115.686,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.85841,
    "c": 0.22942,
    "h": 142.1
  },
  "luminance": 0.68281
}

Semantic roles & 50–950 ramp

primary

#66F45B

secondary

#B92FC4

accent

#02E4D4

background

#FDFFFC

surface

#F7FFF4

border

#D0D7CE

text

#10170D

muted

#81857F

Preview Lab

Preview with #66F45B

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

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