#66D489#66D489

#66D489 is a light, vivid green. Relative luminance 0.517; OKLCH L 78.6% C 0.148 H 152.0°. Best body text is #000000 at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#66D489
RGB	rgb(102, 212, 137)
HSL	hsl(139, 56%, 62%)
HSV	hsv(139, 52%, 83%)
CMYK	cmyk(51.9%, 0%, 35.4%, 16.9%)
CIE-LAB	lab(77.11, -48.02, 27.73)
CIE-LCH	lch(77.11, 55.46, 149.99°)
OKLab	oklab(78.6% -0.1305 0.0695)
OKLCH	oklch(78.6% 0.148 152)
XYZ	xyz(33.5359, 51.7151, 31.8768)
Luminance	0.5172 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D489 #D466B1

analogous

#7AD466 #66D489 #66D4C0

triadic

#66D489 #8966D4 #D48966

tetradic

#66D489 #667AD4 #D466B1 #D4C066

square

#66D489 #667AD4 #D466B1 #D4C066

split-complementary

#66D489 #C066D4 #D4667A

monochromatic

#2A964C #37C565 #66D489 #96E1AE #C6EFD3

Accessibility & contrast

On white

1.85

#66D489 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.34

#66D489 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D489

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D489	#FFFFFF	#000000	##000000
##66D489	1.00	1.85	11.34	11.34
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.34	21.00	1.00	1.00
##000000	11.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C584

Deuteranopia (green-blind)

#C5BA8E

Tritanopia (blue-blind)

#4CD1C1

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d489;
/* rgb */ color: rgb(102, 212, 137);
/* oklch */ color: oklch(78.6% 0.148 152.0);

Tailwind

colors: {
  custom: {
    50: '#99e2ac',
    500: '#66d489',
    950: '#000000',
  },
}

SCSS

$custom: #66d489;
$custom-light: #99e2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66d489",
  "rgb": {
    "r": 102,
    "g": 212,
    "b": 137
  },
  "hsl": {
    "h": 139.091,
    "s": 56.122,
    "l": 61.569
  },
  "oklch": {
    "l": 0.78604,
    "c": 0.14784,
    "h": 152
  },
  "luminance": 0.51718
}

Semantic roles & 50–950 ramp

primary

#66D489

secondary

#9B437F

accent

#2290C4

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1510

muted

#7F8481

Preview Lab

Preview with #66D489

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

Preview Lab → · Contrast checker → · Palette generator →