#66EB9A#66EB9A

#66EB9A is a very light, vivid green. Relative luminance 0.646; OKLCH L 84.6% C 0.164 H 154.0°. Best body text is #000000 at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#66EB9A
RGB	rgb(102, 235, 154)
HSL	hsl(143, 77%, 66%)
HSV	hsv(143, 57%, 92%)
CMYK	cmyk(56.6%, 0%, 34.5%, 7.8%)
CIE-LAB	lab(84.26, -54.32, 28.60)
CIE-LCH	lch(84.26, 61.39, 152.23°)
OKLab	oklab(84.55% -0.1475 0.0719)
OKLCH	oklch(84.55% 0.164 154)
XYZ	xyz(41.0173, 64.5707, 40.8674)
Luminance	0.6458 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EB9A #EB66B7

analogous

#74EB66 #66EB9A #66EBDD

triadic

#66EB9A #9A66EB #EB9A66

tetradic

#66EB9A #6674EB #EB66B7 #EBDD66

square

#66EB9A #6674EB #EB66B7 #EBDD66

split-complementary

#66EB9A #DD66EB #EB6674

monochromatic

#19BE59 #30E476 #66EB9A #9CF2BE #D2F9E1

Accessibility & contrast

On white

1.51

#66EB9A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.92

#66EB9A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EB9A

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EB9A	#FFFFFF	#000000	##000000
##66EB9A	1.00	1.51	13.92	13.92
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.92	21.00	1.00	1.00
##000000	13.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBDA95

Deuteranopia (green-blind)

#D8CD9F

Tritanopia (blue-blind)

#3CE8D6

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66eb9a;
/* rgb */ color: rgb(102, 235, 154);
/* oklch */ color: oklch(84.6% 0.164 154.0);

Tailwind

colors: {
  custom: {
    50: '#9cf2b8',
    500: '#66eb9a',
    950: '#000000',
  },
}

SCSS

$custom: #66eb9a;
$custom-light: #9cf2b8;
$custom-dark: #000000;

JSON

{
  "hex": "#66eb9a",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 154
  },
  "hsl": {
    "h": 143.459,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.84554,
    "c": 0.16408,
    "h": 154
  },
  "luminance": 0.64575
}

Semantic roles & 50–950 ramp

primary

#66EB9A

secondary

#BD3989

accent

#0C89D9

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66EB9A

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

Preview Lab → · Contrast checker → · Palette generator →