#66E790#66E790

#66E790 is a very light, vivid green. Relative luminance 0.620; OKLCH L 83.4% C 0.168 H 151.7°. Best body text is #000000 at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#66E790
RGB	rgb(102, 231, 144)
HSL	hsl(140, 73%, 65%)
HSV	hsv(140, 56%, 91%)
CMYK	cmyk(55.8%, 0%, 37.7%, 9.4%)
CIE-LAB	lab(82.91, -54.50, 31.87)
CIE-LCH	lch(82.91, 63.13, 149.68°)
OKLab	oklab(83.39% -0.1477 0.0795)
OKLCH	oklch(83.39% 0.168 151.7)
XYZ	xyz(39.0865, 61.9867, 36.2850)
Luminance	0.6199 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E790 #E766BD

analogous

#7CE766 #66E790 #66E7D0

triadic

#66E790 #9066E7 #E79066

tetradic

#66E790 #667CE7 #E766BD #E7D066

square

#66E790 #667CE7 #E766BD #E7D066

split-complementary

#66E790 #D066E7 #E7667C

monochromatic

#1DB64F #31DF6A #66E790 #9BEFB6 #D0F8DD

Accessibility & contrast

On white

1.57

#66E790 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.40

#66E790 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E790

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E790	#FFFFFF	#000000	##000000
##66E790	1.00	1.57	13.40	13.40
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.40	21.00	1.00	1.00
##000000	13.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D68A

Deuteranopia (green-blind)

#D6CA96

Tritanopia (blue-blind)

#43E4D1

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66e790;
/* rgb */ color: rgb(102, 231, 144);
/* oklch */ color: oklch(83.4% 0.168 151.7);

Tailwind

colors: {
  custom: {
    50: '#9befb1',
    500: '#66e790',
    950: '#000000',
  },
}

SCSS

$custom: #66e790;
$custom-light: #9befb1;
$custom-dark: #000000;

JSON

{
  "hex": "#66e790",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 144
  },
  "hsl": {
    "h": 139.535,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.83388,
    "c": 0.16775,
    "h": 151.7
  },
  "luminance": 0.6199
}

Semantic roles & 50–950 ramp

primary

#66E790

secondary

#B63B8E

accent

#1195D5

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1711

muted

#808581

Preview Lab

Preview with #66E790

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

Preview Lab → · Contrast checker → · Palette generator →