#66FB6E#66FB6E

#66FB6E is a very light, highly saturated green. Relative luminance 0.729; OKLCH L 87.8% C 0.223 H 144.3°. Best body text is #000000 at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#66FB6E
RGB	rgb(102, 251, 110)
HSL	hsl(123, 95%, 69%)
HSV	hsv(123, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 56.2%, 1.6%)
CIE-LAB	lab(88.42, -66.88, 55.05)
CIE-LCH	lch(88.42, 86.62, 140.54°)
OKLab	oklab(87.78% -0.1813 0.1305)
OKLCH	oklch(87.78% 0.223 144.3)
XYZ	xyz(42.7886, 72.9409, 26.5729)
Luminance	0.7295 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB6E #FB66F3

analogous

#A9FB66 #66FB6E #66FBB8

triadic

#66FB6E #6E66FB #FB6E66

tetradic

#66FB6E #66A9FB #FB66F3 #FBB866

square

#66FB6E #66A9FB #FB66F3 #FBB866

split-complementary

#66FB6E #B866FB #FB66A9

monochromatic

#06E112 #2AF935 #66FB6E #A2FDA7 #DDFEDF

Accessibility & contrast

On white

1.35

#66FB6E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.59

#66FB6E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB6E

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB6E	#FFFFFF	#000000	##000000
##66FB6E	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)

#FFE660

Deuteranopia (green-blind)

#EDD979

Tritanopia (blue-blind)

#48F5DC

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66fb6e;
/* rgb */ color: rgb(102, 251, 110);
/* oklch */ color: oklch(87.8% 0.223 144.3);

Tailwind

colors: {
  custom: {
    50: '#9ffe9b',
    500: '#66fb6e',
    950: '#000000',
  },
}

SCSS

$custom: #66fb6e;
$custom-light: #9ffe9b;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb6e",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 110
  },
  "hsl": {
    "h": 123.221,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.87775,
    "c": 0.22344,
    "h": 144.3
  },
  "luminance": 0.72945
}

Semantic roles & 50–950 ramp

primary

#66FB6E

secondary

#D530CC

accent

#00D9E6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180E

muted

#81867F

Preview Lab

Preview with #66FB6E

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

Preview Lab → · Contrast checker → · Palette generator →