#66F678#66F678

#66F678 is a very light, highly saturated green. Relative luminance 0.701; OKLCH L 86.7% C 0.209 H 145.8°. Best body text is #000000 at 15.02:1 contrast (WCAG AA passes).

Color values

HEX	#66F678
RGB	rgb(102, 246, 120)
HSL	hsl(128, 89%, 68%)
HSV	hsv(128, 59%, 96%)
CMYK	cmyk(58.5%, 0%, 51.2%, 3.5%)
CIE-LAB	lab(87.04, -63.84, 48.84)
CIE-LCH	lch(87.04, 80.38, 142.58°)
OKLab	oklab(86.68% -0.1728 0.1175)
OKLCH	oklch(86.68% 0.209 145.8)
XYZ	xyz(41.8228, 70.0885, 29.0901)
Luminance	0.7009 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F678 #F666E4

analogous

#9CF666 #66F678 #66F6C0

triadic

#66F678 #7866F6 #F67866

tetradic

#66F678 #669CF6 #F666E4 #F6C066

square

#66F678 #669CF6 #F666E4 #F6C066

split-complementary

#66F678 #C066F6 #F6669C

monochromatic

#0DD526 #2CF345 #66F678 #A0F9AB #DAFDDE

Accessibility & contrast

On white

1.40

#66F678 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.02

#66F678 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F678

15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F678	#FFFFFF	#000000	##000000
##66F678	1.00	1.40	15.02	15.02
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.02	21.00	1.00	1.00
##000000	15.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE26D

Deuteranopia (green-blind)

#E7D581

Tritanopia (blue-blind)

#47F0D9

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66f678;
/* rgb */ color: rgb(102, 246, 120);
/* oklch */ color: oklch(86.7% 0.209 145.8);

Tailwind

colors: {
  custom: {
    50: '#9efaa1',
    500: '#66f678',
    950: '#000000',
  },
}

SCSS

$custom: #66f678;
$custom-light: #9efaa1;
$custom-dark: #000000;

JSON

{
  "hex": "#66f678",
  "rgb": {
    "r": 102,
    "g": 246,
    "b": 120
  },
  "hsl": {
    "h": 127.5,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.86675,
    "c": 0.209,
    "h": 145.8
  },
  "luminance": 0.70092
}

Semantic roles & 50–950 ramp

primary

#66F678

secondary

#CF31BB

accent

#00C9E6

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#10170F

muted

#808580

Preview Lab

Preview with #66F678

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

Preview Lab → · Contrast checker → · Palette generator →