#66EB91#66EB91

#66EB91 is a very light, vivid green. Relative luminance 0.643; OKLCH L 84.4% C 0.172 H 151.5°. Best body text is #000000 at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#66EB91
RGB	rgb(102, 235, 145)
HSL	hsl(139, 77%, 66%)
HSV	hsv(139, 57%, 92%)
CMYK	cmyk(56.6%, 0%, 38.3%, 7.8%)
CIE-LAB	lab(84.11, -55.90, 32.96)
CIE-LCH	lch(84.11, 64.90, 149.48°)
OKLab	oklab(84.38% -0.1514 0.0821)
OKLCH	oklch(84.38% 0.172 151.5)
XYZ	xyz(40.2956, 64.2821, 37.0667)
Luminance	0.6429 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EB91 #EB66C0

analogous

#7DEB66 #66EB91 #66EBD3

triadic

#66EB91 #9166EB #EB9166

tetradic

#66EB91 #667DEB #EB66C0 #EBD366

square

#66EB91 #667DEB #EB66C0 #EBD366

split-complementary

#66EB91 #D366EB #EB667D

monochromatic

#19BE4E #30E46A #66EB91 #9CF2B8 #D2F9DF

Accessibility & contrast

On white

1.52

#66EB91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.86

#66EB91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EB91

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EB91	#FFFFFF	#000000	##000000
##66EB91	1.00	1.52	13.86	13.86
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.86	21.00	1.00	1.00
##000000	13.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD98B

Deuteranopia (green-blind)

#DACD97

Tritanopia (blue-blind)

#41E8D4

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66eb91;
/* rgb */ color: rgb(102, 235, 145);
/* oklch */ color: oklch(84.4% 0.172 151.5);

Tailwind

colors: {
  custom: {
    50: '#9cf2b2',
    500: '#66eb91',
    950: '#000000',
  },
}

SCSS

$custom: #66eb91;
$custom-light: #9cf2b2;
$custom-dark: #000000;

JSON

{
  "hex": "#66eb91",
  "rgb": {
    "r": 102,
    "g": 235,
    "b": 145
  },
  "hsl": {
    "h": 139.398,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.84382,
    "c": 0.17227,
    "h": 151.5
  },
  "luminance": 0.64286
}

Semantic roles & 50–950 ramp

primary

#66EB91

secondary

#BD3992

accent

#0C97D9

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66EB91

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

Preview Lab → · Contrast checker → · Palette generator →