#66FB6F#66FB6F

#66FB6F is a very light, highly saturated green. Relative luminance 0.730; OKLCH L 87.8% C 0.223 H 144.4°. Best body text is #000000 at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#66FB6F
RGB	rgb(102, 251, 111)
HSL	hsl(124, 95%, 69%)
HSV	hsv(124, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 55.8%, 1.6%)
CIE-LAB	lab(88.43, -66.76, 54.62)
CIE-LCH	lch(88.43, 86.25, 140.71°)
OKLab	oklab(87.79% -0.181 0.1296)
OKLCH	oklch(87.79% 0.223 144.4)
XYZ	xyz(42.8434, 72.9628, 26.8613)
Luminance	0.7297 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB6F #FB66F2

analogous

#A8FB66 #66FB6F #66FBBA

triadic

#66FB6F #6F66FB #FB6F66

tetradic

#66FB6F #66A8FB #FB66F2 #FBBA66

square

#66FB6F #66A8FB #FB66F2 #FBBA66

split-complementary

#66FB6F #BA66FB #FB66A8

monochromatic

#06E113 #2AF937 #66FB6F #A2FDA7 #DDFEDF

Accessibility & contrast

On white

1.35

#66FB6F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.59

#66FB6F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB6F

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB6F	#FFFFFF	#000000	##000000
##66FB6F	1.00	1.35	15.59	15.59
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.59	21.00	1.00	1.00
##000000	15.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE661

Deuteranopia (green-blind)

#ECD97A

Tritanopia (blue-blind)

#48F5DC

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66fb6f;
/* rgb */ color: rgb(102, 251, 111);
/* oklch */ color: oklch(87.8% 0.223 144.4);

Tailwind

colors: {
  custom: {
    50: '#9ffe9c',
    500: '#66fb6f',
    950: '#000000',
  },
}

SCSS

$custom: #66fb6f;
$custom-light: #9ffe9c;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb6f",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 111
  },
  "hsl": {
    "h": 123.624,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.87787,
    "c": 0.22264,
    "h": 144.4
  },
  "luminance": 0.72967
}

Semantic roles & 50–950 ramp

primary

#66FB6F

secondary

#D530CB

accent

#00D8E6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180E

muted

#81867F

Preview Lab

Preview with #66FB6F

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

Preview Lab → · Contrast checker → · Palette generator →