#66E594#66E594

#66E594 is a very light, vivid green. Relative luminance 0.610; OKLCH L 83.0% C 0.161 H 153.1°. Best body text is #000000 at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#66E594
RGB	rgb(102, 229, 148)
HSL	hsl(142, 71%, 65%)
HSV	hsv(142, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 35.4%, 10.2%)
CIE-LAB	lab(82.38, -53.00, 29.13)
CIE-LCH	lch(82.38, 60.48, 151.21°)
OKLab	oklab(82.98% -0.1439 0.073)
OKLCH	oklch(82.98% 0.161 153.1)
XYZ	xyz(38.8411, 60.9980, 37.7382)
Luminance	0.6100 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E594 #E566B7

analogous

#78E566 #66E594 #66E5D3

triadic

#66E594 #9466E5 #E59466

tetradic

#66E594 #6678E5 #E566B7 #E5D366

square

#66E594 #6678E5 #E566B7 #E5D366

split-complementary

#66E594 #D366E5 #E56678

monochromatic

#1EB254 #32DC6F #66E594 #9AEEB9 #CFF7DD

Accessibility & contrast

On white

1.59

#66E594 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.20

#66E594 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E594

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E594	#FFFFFF	#000000	##000000
##66E594	1.00	1.59	13.20	13.20
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.20	21.00	1.00	1.00
##000000	13.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D48F

Deuteranopia (green-blind)

#D4C899

Tritanopia (blue-blind)

#42E2D0

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #66e594;
/* rgb */ color: rgb(102, 229, 148);
/* oklch */ color: oklch(83.0% 0.161 153.1);

Tailwind

colors: {
  custom: {
    50: '#9beeb4',
    500: '#66e594',
    950: '#000000',
  },
}

SCSS

$custom: #66e594;
$custom-light: #9beeb4;
$custom-dark: #000000;

JSON

{
  "hex": "#66e594",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 148
  },
  "hsl": {
    "h": 141.732,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.82976,
    "c": 0.16135,
    "h": 153.1
  },
  "luminance": 0.61002
}

Semantic roles & 50–950 ramp

primary

#66E594

secondary

#B33C88

accent

#138DD3

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1611

muted

#808581

Preview Lab

Preview with #66E594

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

Preview Lab → · Contrast checker → · Palette generator →