#66E789#66E789

#66E789 is a very light, vivid green. Relative luminance 0.618; OKLCH L 83.3% C 0.174 H 149.9°. Best body text is #000000 at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#66E789
RGB	rgb(102, 231, 137)
HSL	hsl(136, 73%, 65%)
HSV	hsv(136, 56%, 91%)
CMYK	cmyk(55.8%, 0%, 40.7%, 9.4%)
CIE-LAB	lab(82.80, -55.68, 35.25)
CIE-LCH	lch(82.80, 65.89, 147.66°)
OKLab	oklab(83.26% -0.1507 0.0873)
OKLCH	oklch(83.26% 0.174 149.9)
XYZ	xyz(38.5680, 61.7793, 33.5542)
Luminance	0.6178 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E789 #E766C4

analogous

#83E766 #66E789 #66E7C9

triadic

#66E789 #8966E7 #E78966

tetradic

#66E789 #6683E7 #E766C4 #E7C966

square

#66E789 #6683E7 #E766C4 #E7C966

split-complementary

#66E789 #C966E7 #E76683

monochromatic

#1DB646 #31DF60 #66E789 #9BEFB2 #D0F8DB

Accessibility & contrast

On white

1.57

#66E789 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.36

#66E789 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E789

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E789	#FFFFFF	#000000	##000000
##66E789	1.00	1.57	13.36	13.36
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.36	21.00	1.00	1.00
##000000	13.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D582

Deuteranopia (green-blind)

#D7C98F

Tritanopia (blue-blind)

#46E3D0

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66e789;
/* rgb */ color: rgb(102, 231, 137);
/* oklch */ color: oklch(83.3% 0.174 149.9);

Tailwind

colors: {
  custom: {
    50: '#9cefac',
    500: '#66e789',
    950: '#000000',
  },
}

SCSS

$custom: #66e789;
$custom-light: #9cefac;
$custom-dark: #000000;

JSON

{
  "hex": "#66e789",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 137
  },
  "hsl": {
    "h": 136.279,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.83261,
    "c": 0.17419,
    "h": 149.9
  },
  "luminance": 0.61783
}

Semantic roles & 50–950 ramp

primary

#66E789

secondary

#B63B95

accent

#11A0D5

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66E789

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

Preview Lab → · Contrast checker → · Palette generator →