#66F689#66F689

#66F689 is a very light, vivid green. Relative luminance 0.705; OKLCH L 86.9% C 0.194 H 148.8°. Best body text is #000000 at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#66F689
RGB	rgb(102, 246, 137)
HSL	hsl(135, 89%, 68%)
HSV	hsv(135, 59%, 96%)
CMYK	cmyk(58.5%, 0%, 44.3%, 3.5%)
CIE-LAB	lab(87.26, -61.41, 41.01)
CIE-LCH	lch(87.26, 73.84, 146.26°)
OKLab	oklab(86.93% -0.166 0.1006)
OKLCH	oklch(86.93% 0.194 148.8)
XYZ	xyz(42.9476, 70.5384, 35.0140)
Luminance	0.7054 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F689 #F666D3

analogous

#8BF666 #66F689 #66F6D1

triadic

#66F689 #8966F6 #F68966

tetradic

#66F689 #668BF6 #F666D3 #F6D166

square

#66F689 #668BF6 #F666D3 #F6D166

split-complementary

#66F689 #D166F6 #F6668B

monochromatic

#0DD53D #2CF35C #66F689 #A0F9B6 #DAFDE2

Accessibility & contrast

On white

1.39

#66F689 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.11

#66F689 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F689

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F689	#FFFFFF	#000000	##000000
##66F689	1.00	1.39	15.11	15.11
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.11	21.00	1.00	1.00
##000000	15.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8E381

Deuteranopia (green-blind)

#E5D590

Tritanopia (blue-blind)

#40F2DC

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66f689;
/* rgb */ color: rgb(102, 246, 137);
/* oklch */ color: oklch(86.9% 0.194 148.8);

Tailwind

colors: {
  custom: {
    50: '#9efaad',
    500: '#66f689',
    950: '#000000',
  },
}

SCSS

$custom: #66f689;
$custom-light: #9efaad;
$custom-dark: #000000;

JSON

{
  "hex": "#66f689",
  "rgb": {
    "r": 102,
    "g": 246,
    "b": 137
  },
  "hsl": {
    "h": 134.583,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.86928,
    "c": 0.19413,
    "h": 148.8
  },
  "luminance": 0.70542
}

Semantic roles & 50–950 ramp

primary

#66F689

secondary

#CF31A9

accent

#00AEE6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101710

muted

#808581

Preview Lab

Preview with #66F689

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

Preview Lab → · Contrast checker → · Palette generator →