#66DE4B#66DE4B

#66DE4B is a light, highly saturated green. Relative luminance 0.556; OKLCH L 80.2% C 0.214 H 140.2°. Best body text is #000000 at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#66DE4B
RGB	rgb(102, 222, 75)
HSL	hsl(109, 69%, 58%)
HSV	hsv(109, 66%, 87%)
CMYK	cmyk(54.1%, 0%, 66.2%, 12.9%)
CIE-LAB	lab(79.37, -60.12, 59.67)
CIE-LCH	lch(79.37, 84.70, 135.22°)
OKLab	oklab(80.21% -0.1648 0.1371)
OKLCH	oklch(80.21% 0.214 140.2)
XYZ	xyz(32.8693, 55.5726, 15.6497)
Luminance	0.5557 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DE4B #C34BDE

analogous

#AFDE4B #66DE4B #4BDE7A

triadic

#66DE4B #4B66DE #DE4B66

tetradic

#66DE4B #4BAFDE #C34BDE #DE7A4B

square

#66DE4B #4BAFDE #C34BDE #DE7A4B

split-complementary

#66DE4B #7A4BDE #DE4BAF

monochromatic

#31941B #42C725 #66DE4B #92E77F #BEF1B2

Accessibility & contrast

On white

1.73

#66DE4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.12

#66DE4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DE4B

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DE4B	#FFFFFF	#000000	##000000
##66DE4B	1.00	1.73	12.12	12.12
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.12	21.00	1.00	1.00
##000000	12.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CB37

Deuteranopia (green-blind)

#D4C158

Tritanopia (blue-blind)

#58D7C0

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66de4b;
/* rgb */ color: rgb(102, 222, 75);
/* oklch */ color: oklch(80.2% 0.214 140.2);

Tailwind

colors: {
  custom: {
    50: '#9ce984',
    500: '#66de4b',
    950: '#000000',
  },
}

SCSS

$custom: #66de4b;
$custom-light: #9ce984;
$custom-dark: #000000;

JSON

{
  "hex": "#66de4b",
  "rgb": {
    "r": 102,
    "g": 222,
    "b": 75
  },
  "hsl": {
    "h": 108.98,
    "s": 69.014,
    "l": 58.235
  },
  "oklch": {
    "l": 0.80212,
    "c": 0.21439,
    "h": 140.2
  },
  "luminance": 0.55575
}

Semantic roles & 50–950 ramp

primary

#66DE4B

secondary

#863598

accent

#3CECCC

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DE4B

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

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