#66EB4F#66EB4F

#66EB4F is a very light, highly saturated green. Relative luminance 0.628; OKLCH L 83.5% C 0.227 H 140.9°. Best body text is #000000 at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#66EB4F
RGB	rgb(102, 235, 79)
HSL	hsl(111, 80%, 62%)
HSV	hsv(111, 66%, 92%)
CMYK	cmyk(56.6%, 0%, 66.4%, 7.8%)
CIE-LAB	lab(83.34, -64.43, 62.35)
CIE-LCH	lch(83.34, 89.66, 135.94°)
OKLab	oklab(83.49% -0.1762 0.1432)
OKLCH	oklch(83.49% 0.227 140.9)
XYZ	xyz(36.5974, 62.8028, 17.5892)
Luminance	0.6281 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EB4F #D44FEB

analogous

#B4EB4F #66EB4F #4FEB86

triadic

#66EB4F #4F66EB #EB4F66

tetradic

#66EB4F #4FB4EB #D44FEB #EB864F

square

#66EB4F #4FB4EB #D44FEB #EB864F

split-complementary

#66EB4F #864FEB #EB4FB4

monochromatic

#2AAC14 #37E31A #66EB4F #96F186 #C6F7BD

Accessibility & contrast

On white

1.55

#66EB4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.56

#66EB4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EB4F

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EB4F	#FFFFFF	#000000	##000000
##66EB4F	1.00	1.55	13.56	13.56
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.56	21.00	1.00	1.00
##000000	13.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D73A

Deuteranopia (green-blind)

#E0CB5D

Tritanopia (blue-blind)

#54E4CB

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66eb4f;
/* rgb */ color: rgb(102, 235, 79);
/* oklch */ color: oklch(83.5% 0.227 140.9);

Tailwind

colors: {
  custom: {
    50: '#9ef287',
    500: '#66eb4f',
    950: '#000000',
  },
}

SCSS

$custom: #66eb4f;
$custom-light: #9ef287;
$custom-dark: #000000;

JSON

{
  "hex": "#66eb4f",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 79
  },
  "hsl": {
    "h": 111.154,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.83494,
    "c": 0.2271,
    "h": 140.9
  },
  "luminance": 0.62806
}

Semantic roles & 50–950 ramp

primary

#66EB4F

secondary

#9B31AD

accent

#0ADCBD

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#10170C

muted

#80857F

Preview Lab

Preview with #66EB4F

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

Preview Lab → · Contrast checker → · Palette generator →