#66F490#66F490

#66F490 is a very light, vivid green. Relative luminance 0.695; OKLCH L 86.6% C 0.185 H 150.4°. Best body text is #000000 at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#66F490
RGB	rgb(102, 244, 144)
HSL	hsl(138, 87%, 68%)
HSV	hsv(138, 58%, 96%)
CMYK	cmyk(58.2%, 0%, 41%, 4.3%)
CIE-LAB	lab(86.77, -59.55, 36.94)
CIE-LCH	lch(86.77, 70.07, 148.18°)
OKLab	oklab(86.56% -0.1611 0.0914)
OKLCH	oklch(86.56% 0.185 150.4)
XYZ	xyz(42.8611, 69.5357, 37.5432)
Luminance	0.6954 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F490 #F466CA

analogous

#83F466 #66F490 #66F4D7

triadic

#66F490 #9066F4 #F49066

tetradic

#66F490 #6683F4 #F466CA #F4D766

square

#66F490 #6683F4 #F466CA #F4D766

split-complementary

#66F490 #D766F4 #F46683

monochromatic

#0FD148 #2DF067 #66F490 #9FF8B9 #D8FCE3

Accessibility & contrast

On white

1.41

#66F490 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.91

#66F490 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F490

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F490	#FFFFFF	#000000	##000000
##66F490	1.00	1.41	14.91	14.91
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.91	21.00	1.00	1.00
##000000	14.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5E189

Deuteranopia (green-blind)

#E2D497

Tritanopia (blue-blind)

#3EF0DB

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f490;
/* rgb */ color: rgb(102, 244, 144);
/* oklch */ color: oklch(86.6% 0.185 150.4);

Tailwind

colors: {
  custom: {
    50: '#9df9b1',
    500: '#66f490',
    950: '#000000',
  },
}

SCSS

$custom: #66f490;
$custom-light: #9df9b1;
$custom-dark: #000000;

JSON

{
  "hex": "#66f490",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 144
  },
  "hsl": {
    "h": 137.746,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.86557,
    "c": 0.18521,
    "h": 150.4
  },
  "luminance": 0.6954
}

Semantic roles & 50–950 ramp

primary

#66F490

secondary

#CC329F

accent

#02A1E3

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66F490

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

Preview Lab → · Contrast checker → · Palette generator →