#66F28E#66F28E

#66F28E is a very light, vivid green. Relative luminance 0.683; OKLCH L 86.0% C 0.184 H 150.1°. Best body text is #000000 at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#66F28E
RGB	rgb(102, 242, 142)
HSL	hsl(137, 84%, 67%)
HSV	hsv(137, 58%, 95%)
CMYK	cmyk(57.9%, 0%, 41.3%, 5.1%)
CIE-LAB	lab(86.15, -59.11, 37.12)
CIE-LCH	lch(86.15, 69.80, 147.87°)
OKLab	oklab(86.04% -0.1599 0.0918)
OKLCH	oklch(86.04% 0.184 150.1)
XYZ	xyz(42.1110, 68.2781, 36.5457)
Luminance	0.6828 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F28E #F266CA

analogous

#84F266 #66F28E #66F2D4

triadic

#66F28E #8E66F2 #F28E66

tetradic

#66F28E #6684F2 #F266CA #F2D466

square

#66F28E #6684F2 #F266CA #F2D466

split-complementary

#66F28E #D466F2 #F26684

monochromatic

#11CC47 #2EED64 #66F28E #9EF7B8 #D7FCE1

Accessibility & contrast

On white

1.43

#66F28E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.66

#66F28E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F28E

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F28E	#FFFFFF	#000000	##000000
##66F28E	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)

#F3DF87

Deuteranopia (green-blind)

#E1D295

Tritanopia (blue-blind)

#3FEED9

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f28e;
/* rgb */ color: rgb(102, 242, 142);
/* oklch */ color: oklch(86.0% 0.184 150.1);

Tailwind

colors: {
  custom: {
    50: '#9df7b0',
    500: '#66f28e',
    950: '#000000',
  },
}

SCSS

$custom: #66f28e;
$custom-light: #9df7b0;
$custom-dark: #000000;

JSON

{
  "hex": "#66f28e",
  "rgb": {
    "r": 102,
    "g": 242,
    "b": 142
  },
  "hsl": {
    "h": 137.143,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.86035,
    "c": 0.18437,
    "h": 150.1
  },
  "luminance": 0.68282
}

Semantic roles & 50–950 ramp

primary

#66F28E

secondary

#C9349E

accent

#05A2E1

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66F28E

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

Preview Lab → · Contrast checker → · Palette generator →