#66E989#66E989

#66E989 is a very light, vivid green. Relative luminance 0.629; OKLCH L 83.8% C 0.177 H 149.8°. Best body text is #000000 at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#66E989
RGB	rgb(102, 233, 137)
HSL	hsl(136, 75%, 66%)
HSV	hsv(136, 56%, 91%)
CMYK	cmyk(56.2%, 0%, 41.2%, 8.6%)
CIE-LAB	lab(83.39, -56.45, 36.02)
CIE-LCH	lch(83.39, 66.97, 147.46°)
OKLab	oklab(83.75% -0.1528 0.0891)
OKLCH	oklch(83.75% 0.177 149.8)
XYZ	xyz(39.1310, 62.9052, 33.7418)
Luminance	0.6291 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E989 #E966C6

analogous

#84E966 #66E989 #66E9CB

triadic

#66E989 #8966E9 #E98966

tetradic

#66E989 #6684E9 #E966C6 #E9CB66

square

#66E989 #6684E9 #E966C6 #E9CB66

split-complementary

#66E989 #CB66E9 #E96684

monochromatic

#1BBA45 #30E160 #66E989 #9CF1B2 #D1F8DC

Accessibility & contrast

On white

1.55

#66E989 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.58

#66E989 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E989

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E989	#FFFFFF	#000000	##000000
##66E989	1.00	1.55	13.58	13.58
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.58	21.00	1.00	1.00
##000000	13.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD782

Deuteranopia (green-blind)

#D9CB8F

Tritanopia (blue-blind)

#45E5D1

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #66e989;
/* rgb */ color: rgb(102, 233, 137);
/* oklch */ color: oklch(83.8% 0.177 149.8);

Tailwind

colors: {
  custom: {
    50: '#9cf1ac',
    500: '#66e989',
    950: '#000000',
  },
}

SCSS

$custom: #66e989;
$custom-light: #9cf1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66e989",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 137
  },
  "hsl": {
    "h": 136.031,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.8375,
    "c": 0.17689,
    "h": 149.8
  },
  "luminance": 0.62909
}

Semantic roles & 50–950 ramp

primary

#66E989

secondary

#B93A97

accent

#0EA1D7

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66E989

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

Preview Lab → · Contrast checker → · Palette generator →