#66F3A0#66F3A0

#66F3A0 is a very light, vivid green. Relative luminance 0.695; OKLCH L 86.6% C 0.169 H 154.6°. Best body text is #000000 at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#66F3A0
RGB	rgb(102, 243, 160)
HSL	hsl(145, 85%, 68%)
HSV	hsv(145, 58%, 95%)
CMYK	cmyk(58%, 0%, 34.2%, 4.7%)
CIE-LAB	lab(86.73, -56.39, 28.87)
CIE-LCH	lch(86.73, 63.36, 152.89°)
OKLab	oklab(86.61% -0.1531 0.0726)
OKLCH	oklch(86.61% 0.169 154.6)
XYZ	xyz(43.8717, 69.4598, 44.3460)
Luminance	0.6946 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3A0 #F366B9

analogous

#72F366 #66F3A0 #66F3E7

triadic

#66F3A0 #A066F3 #F3A066

tetradic

#66F3A0 #6672F3 #F366B9 #F3E766

square

#66F3A0 #6672F3 #F366B9 #F3E766

split-complementary

#66F3A0 #E766F3 #F36672

monochromatic

#10CE5E #2DEF7D #66F3A0 #9FF7C3 #D7FCE6

Accessibility & contrast

On white

1.41

#66F3A0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.89

#66F3A0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3A0

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3A0	#FFFFFF	#000000	##000000
##66F3A0	1.00	1.41	14.89	14.89
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.89	21.00	1.00	1.00
##000000	14.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2E19B

Deuteranopia (green-blind)

#DFD4A5

Tritanopia (blue-blind)

#35F1DE

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f3a0;
/* rgb */ color: rgb(102, 243, 160);
/* oklch */ color: oklch(86.6% 0.169 154.6);

Tailwind

colors: {
  custom: {
    50: '#9df8bc',
    500: '#66f3a0',
    950: '#000000',
  },
}

SCSS

$custom: #66f3a0;
$custom-light: #9df8bc;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3a0",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 160
  },
  "hsl": {
    "h": 144.681,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.86611,
    "c": 0.16947,
    "h": 154.6
  },
  "luminance": 0.69464
}

Semantic roles & 50–950 ramp

primary

#66F3A0

secondary

#CA338C

accent

#0486E2

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F3A0

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

Preview Lab → · Contrast checker → · Palette generator →