#66F398#66F398

#66F398 is a very light, vivid green. Relative luminance 0.692; OKLCH L 86.5% C 0.177 H 152.5°. Best body text is #000000 at 14.84:1 contrast (WCAG AA passes).

Color values

HEX	#66F398
RGB	rgb(102, 243, 152)
HSL	hsl(141, 85%, 68%)
HSV	hsv(141, 58%, 95%)
CMYK	cmyk(58%, 0%, 37.4%, 4.7%)
CIE-LAB	lab(86.60, -57.82, 32.73)
CIE-LCH	lch(86.60, 66.44, 150.49°)
OKLab	oklab(86.46% -0.1566 0.0817)
OKLCH	oklch(86.46% 0.177 152.5)
XYZ	xyz(43.1942, 69.1889, 40.7782)
Luminance	0.6919 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F398 #F366C1

analogous

#7AF366 #66F398 #66F3DF

triadic

#66F398 #9866F3 #F39866

tetradic

#66F398 #667AF3 #F366C1 #F3DF66

square

#66F398 #667AF3 #F366C1 #F3DF66

split-complementary

#66F398 #DF66F3 #F3667A

monochromatic

#10CE54 #2DEF72 #66F398 #9FF7BE #D7FCE4

Accessibility & contrast

On white

1.42

#66F398 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.84

#66F398 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F398

14.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F398	#FFFFFF	#000000	##000000
##66F398	1.00	1.42	14.84	14.84
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.84	21.00	1.00	1.00
##000000	14.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3E192

Deuteranopia (green-blind)

#E0D39E

Tritanopia (blue-blind)

#3AF0DC

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f398;
/* rgb */ color: rgb(102, 243, 152);
/* oklch */ color: oklch(86.5% 0.177 152.5);

Tailwind

colors: {
  custom: {
    50: '#9df8b7',
    500: '#66f398',
    950: '#000000',
  },
}

SCSS

$custom: #66f398;
$custom-light: #9df8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#66f398",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 152
  },
  "hsl": {
    "h": 141.277,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.86457,
    "c": 0.17664,
    "h": 152.5
  },
  "luminance": 0.69193
}

Semantic roles & 50–950 ramp

primary

#66F398

secondary

#CA3395

accent

#0493E2

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66F398

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

Preview Lab → · Contrast checker → · Palette generator →