#66F778#66F778

#66F778 is a very light, highly saturated green. Relative luminance 0.707; OKLCH L 86.9% C 0.210 H 145.7°. Best body text is #000000 at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#66F778
RGB	rgb(102, 247, 120)
HSL	hsl(127, 90%, 68%)
HSV	hsv(127, 59%, 97%)
CMYK	cmyk(58.7%, 0%, 51.4%, 3.1%)
CIE-LAB	lab(87.34, -64.20, 49.21)
CIE-LCH	lch(87.34, 80.89, 142.53°)
OKLab	oklab(86.92% -0.1738 0.1183)
OKLCH	oklch(86.92% 0.21 145.7)
XYZ	xyz(42.1278, 70.6984, 29.1917)
Luminance	0.7070 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F778 #F766E5

analogous

#9CF766 #66F778 #66F7C0

triadic

#66F778 #7866F7 #F77866

tetradic

#66F778 #669CF7 #F766E5 #F7C066

square

#66F778 #669CF7 #F766E5 #F7C066

split-complementary

#66F778 #C066F7 #F7669C

monochromatic

#0BD725 #2CF445 #66F778 #A0FAAB #DAFDDF

Accessibility & contrast

On white

1.39

#66F778 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.14

#66F778 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F778

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F778	#FFFFFF	#000000	##000000
##66F778	1.00	1.39	15.14	15.14
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.14	21.00	1.00	1.00
##000000	15.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE36D

Deuteranopia (green-blind)

#E8D681

Tritanopia (blue-blind)

#46F1DA

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66f778;
/* rgb */ color: rgb(102, 247, 120);
/* oklch */ color: oklch(86.9% 0.210 145.7);

Tailwind

colors: {
  custom: {
    50: '#9efba1',
    500: '#66f778',
    950: '#000000',
  },
}

SCSS

$custom: #66f778;
$custom-light: #9efba1;
$custom-dark: #000000;

JSON

{
  "hex": "#66f778",
  "rgb": {
    "r": 102,
    "g": 247,
    "b": 120
  },
  "hsl": {
    "h": 127.448,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.8692,
    "c": 0.21026,
    "h": 145.7
  },
  "luminance": 0.70702
}

Semantic roles & 50–950 ramp

primary

#66F778

secondary

#D031BD

accent

#00C9E6

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#10170F

muted

#808580

Preview Lab

Preview with #66F778

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

Preview Lab → · Contrast checker → · Palette generator →