#66DC91#66DC91

#66DC91 is a light, vivid green. Relative luminance 0.561; OKLCH L 80.7% C 0.152 H 153.4°. Best body text is #000000 at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#66DC91
RGB	rgb(102, 220, 145)
HSL	hsl(142, 63%, 63%)
HSV	hsv(142, 54%, 86%)
CMYK	cmyk(53.6%, 0%, 34.1%, 13.7%)
CIE-LAB	lab(79.64, -49.89, 27.00)
CIE-LCH	lch(79.64, 56.73, 151.58°)
OKLab	oklab(80.72% -0.1356 0.0679)
OKLCH	oklch(80.72% 0.152 153.4)
XYZ	xyz(36.1808, 56.0524, 35.6951)
Luminance	0.5606 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DC91 #DC66B1

analogous

#76DC66 #66DC91 #66DCCC

triadic

#66DC91 #9166DC #DC9166

tetradic

#66DC91 #6676DC #DC66B1 #DCCC66

square

#66DC91 #6676DC #DC66B1 #DCCC66

split-complementary

#66DC91 #CC66DC #DC6676

monochromatic

#25A253 #34D16D #66DC91 #98E7B5 #CAF3D9

Accessibility & contrast

On white

1.72

#66DC91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.21

#66DC91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DC91

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DC91	#FFFFFF	#000000	##000000
##66DC91	1.00	1.72	12.21	12.21
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.21	21.00	1.00	1.00
##000000	12.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCC8C

Deuteranopia (green-blind)

#CBC196

Tritanopia (blue-blind)

#46DAC9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66dc91;
/* rgb */ color: rgb(102, 220, 145);
/* oklch */ color: oklch(80.7% 0.152 153.4);

Tailwind

colors: {
  custom: {
    50: '#9ae8b1',
    500: '#66dc91',
    950: '#000000',
  },
}

SCSS

$custom: #66dc91;
$custom-light: #9ae8b1;
$custom-dark: #000000;

JSON

{
  "hex": "#66dc91",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 145
  },
  "hsl": {
    "h": 141.864,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.80722,
    "c": 0.15165,
    "h": 153.4
  },
  "luminance": 0.56056
}

Semantic roles & 50–950 ramp

primary

#66DC91

secondary

#A64181

accent

#1B8BCB

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0F1611

muted

#808481

Preview Lab

Preview with #66DC91

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

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