#66FD78#66FD78

#66FD78 is a very light, highly saturated green. Relative luminance 0.744; OKLCH L 88.4% C 0.218 H 145.6°. Best body text is #000000 at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#66FD78
RGB	rgb(102, 253, 120)
HSL	hsl(127, 97%, 70%)
HSV	hsv(127, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 52.6%, 0.8%)
CIE-LAB	lab(89.12, -66.35, 51.38)
CIE-LCH	lch(89.12, 83.92, 142.25°)
OKLab	oklab(88.39% -0.1796 0.1232)
OKLCH	oklch(88.39% 0.218 145.6)
XYZ	xyz(43.9922, 74.4272, 29.8132)
Luminance	0.7443 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FD78 #FD66EB

analogous

#A0FD66 #66FD78 #66FDC3

triadic

#66FD78 #7866FD #FD7866

tetradic

#66FD78 #66A0FD #FD66EB #FDC366

square

#66FD78 #66A0FD #FD66EB #FDC366

split-complementary

#66FD78 #C366FD #FD66A0

monochromatic

#03E61E #2AFC43 #66FD78 #A2FEAD #DFFFE3

Accessibility & contrast

On white

1.32

#66FD78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.89

#66FD78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FD78

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FD78	#FFFFFF	#000000	##000000
##66FD78	1.00	1.32	15.89	15.89
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.89	21.00	1.00	1.00
##000000	15.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE86C

Deuteranopia (green-blind)

#EEDB82

Tritanopia (blue-blind)

#44F7DF

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fd78;
/* rgb */ color: rgb(102, 253, 120);
/* oklch */ color: oklch(88.4% 0.218 145.6);

Tailwind

colors: {
  custom: {
    50: '#9fffa2',
    500: '#66fd78',
    950: '#000000',
  },
}

SCSS

$custom: #66fd78;
$custom-light: #9fffa2;
$custom-dark: #000000;

JSON

{
  "hex": "#66fd78",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 120
  },
  "hsl": {
    "h": 127.152,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.88392,
    "c": 0.21777,
    "h": 145.6
  },
  "luminance": 0.74431
}

Semantic roles & 50–950 ramp

primary

#66FD78

secondary

#D82FC4

accent

#00CAE6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180F

muted

#818680

Preview Lab

Preview with #66FD78

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

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