#66F58F#66F58F

#66F58F is a very light, vivid green. Relative luminance 0.701; OKLCH L 86.8% C 0.187 H 150.1°. Best body text is #000000 at 15.02:1 contrast (WCAG AA passes).

Color values

HEX	#66F58F
RGB	rgb(102, 245, 143)
HSL	hsl(137, 88%, 68%)
HSV	hsv(137, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 41.6%, 3.9%)
CIE-LAB	lab(87.05, -60.09, 37.80)
CIE-LCH	lch(87.05, 70.99, 147.82°)
OKLab	oklab(86.78% -0.1625 0.0934)
OKLCH	oklch(86.78% 0.187 150.1)
XYZ	xyz(43.0867, 70.1087, 37.2430)
Luminance	0.7011 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F58F #F566CC

analogous

#84F566 #66F58F #66F5D7

triadic

#66F58F #8F66F5 #F58F66

tetradic

#66F58F #6684F5 #F566CC #F5D766

square

#66F58F #6684F5 #F566CC #F5D766

split-complementary

#66F58F #D766F5 #F56684

monochromatic

#0ED346 #2DF165 #66F58F #9FF9B9 #D9FDE3

Accessibility & contrast

On white

1.40

#66F58F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.02

#66F58F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F58F

15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F58F	#FFFFFF	#000000	##000000
##66F58F	1.00	1.40	15.02	15.02
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.02	21.00	1.00	1.00
##000000	15.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6E288

Deuteranopia (green-blind)

#E4D596

Tritanopia (blue-blind)

#3EF1DC

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66f58f;
/* rgb */ color: rgb(102, 245, 143);
/* oklch */ color: oklch(86.8% 0.187 150.1);

Tailwind

colors: {
  custom: {
    50: '#9df9b1',
    500: '#66f58f',
    950: '#000000',
  },
}

SCSS

$custom: #66f58f;
$custom-light: #9df9b1;
$custom-dark: #000000;

JSON

{
  "hex": "#66f58f",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 143
  },
  "hsl": {
    "h": 137.203,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86783,
    "c": 0.18743,
    "h": 150.1
  },
  "luminance": 0.70113
}

Semantic roles & 50–950 ramp

primary

#66F58F

secondary

#CE31A1

accent

#01A3E4

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#0F1711

muted

#808581

Preview Lab

Preview with #66F58F

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

Preview Lab → · Contrast checker → · Palette generator →