#66EF89#66EF89

#66EF89 is a very light, vivid green. Relative luminance 0.664; OKLCH L 85.2% C 0.185 H 149.3°. Best body text is #000000 at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#66EF89
RGB	rgb(102, 239, 137)
HSL	hsl(135, 81%, 67%)
HSV	hsv(135, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 42.7%, 6.3%)
CIE-LAB	lab(85.18, -58.76, 38.34)
CIE-LCH	lch(85.18, 70.17, 146.88°)
OKLab	oklab(85.22% -0.159 0.0945)
OKLCH	oklch(85.22% 0.185 149.3)
XYZ	xyz(40.8585, 66.3601, 34.3177)
Luminance	0.6636 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EF89 #EF66CC

analogous

#88EF66 #66EF89 #66EFCD

triadic

#66EF89 #8966EF #EF8966

tetradic

#66EF89 #6688EF #EF66CC #EFCD66

square

#66EF89 #6688EF #EF66CC #EFCD66

split-complementary

#66EF89 #CD66EF #EF6688

monochromatic

#15C642 #2FE95E #66EF89 #9DF5B4 #D5FBDE

Accessibility & contrast

On white

1.47

#66EF89 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.27

#66EF89 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF89

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EF89	#FFFFFF	#000000	##000000
##66EF89	1.00	1.47	14.27	14.27
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.27	21.00	1.00	1.00
##000000	14.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1DC81

Deuteranopia (green-blind)

#DFD090

Tritanopia (blue-blind)

#43EBD6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66ef89;
/* rgb */ color: rgb(102, 239, 137);
/* oklch */ color: oklch(85.2% 0.185 149.3);

Tailwind

colors: {
  custom: {
    50: '#9df5ac',
    500: '#66ef89',
    950: '#000000',
  },
}

SCSS

$custom: #66ef89;
$custom-light: #9df5ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66ef89",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 137
  },
  "hsl": {
    "h": 135.328,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.85218,
    "c": 0.18491,
    "h": 149.3
  },
  "luminance": 0.66364
}

Semantic roles & 50–950 ramp

primary

#66EF89

secondary

#C3369F

accent

#08A7DD

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EF89

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

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