#66F5A5#66F5A5

#66F5A5 is a very light, vivid green. Relative luminance 0.708; OKLCH L 87.2% C 0.168 H 155.8°. Best body text is #000000 at 15.17:1 contrast (WCAG AA passes).

Color values

HEX	#66F5A5
RGB	rgb(102, 245, 165)
HSL	hsl(146, 88%, 68%)
HSV	hsv(146, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 32.7%, 3.9%)
CIE-LAB	lab(87.41, -56.26, 27.25)
CIE-LCH	lch(87.41, 62.51, 154.16°)
OKLab	oklab(87.19% -0.153 0.0687)
OKLCH	oklch(87.19% 0.168 155.8)
XYZ	xyz(44.9196, 70.8419, 46.8966)
Luminance	0.7085 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5A5 #F566B6

analogous

#6EF566 #66F5A5 #66F5ED

triadic

#66F5A5 #A566F5 #F5A566

tetradic

#66F5A5 #666EF5 #F566B6 #F5ED66

square

#66F5A5 #666EF5 #F566B6 #F5ED66

split-complementary

#66F5A5 #ED66F5 #F5666E

monochromatic

#0ED365 #2DF183 #66F5A5 #9FF9C7 #D9FDE9

Accessibility & contrast

On white

1.38

#66F5A5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.17

#66F5A5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5A5

15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5A5	#FFFFFF	#000000	##000000
##66F5A5	1.00	1.38	15.17	15.17
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.17	21.00	1.00	1.00
##000000	15.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4E3A0

Deuteranopia (green-blind)

#E0D6AA

Tritanopia (blue-blind)

#30F3E0

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66f5a5;
/* rgb */ color: rgb(102, 245, 165);
/* oklch */ color: oklch(87.2% 0.168 155.8);

Tailwind

colors: {
  custom: {
    50: '#9df9c0',
    500: '#66f5a5',
    950: '#000000',
  },
}

SCSS

$custom: #66f5a5;
$custom-light: #9df9c0;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5a5",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 165
  },
  "hsl": {
    "h": 146.434,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87194,
    "c": 0.16771,
    "h": 155.8
  },
  "luminance": 0.70846
}

Semantic roles & 50–950 ramp

primary

#66F5A5

secondary

#CE3189

accent

#0180E4

background

#FCFFFD

surface

#F6FFF9

border

#D0D7D2

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F5A5

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

Preview Lab → · Contrast checker → · Palette generator →