#66EA5A#66EA5A

#66EA5A is a very light, highly saturated green. Relative luminance 0.624; OKLCH L 83.4% C 0.218 H 142.0°. Best body text is #000000 at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#66EA5A
RGB	rgb(102, 234, 90)
HSL	hsl(115, 77%, 64%)
HSV	hsv(115, 62%, 92%)
CMYK	cmyk(56.4%, 0%, 61.5%, 8.2%)
CIE-LAB	lab(83.13, -63.03, 57.64)
CIE-LCH	lch(83.13, 85.41, 137.56°)
OKLab	oklab(83.35% -0.1718 0.1344)
OKLCH	oklch(83.35% 0.218 142)
XYZ	xyz(36.7459, 62.4054, 19.7799)
Luminance	0.6241 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA5A #DE5AEA

analogous

#AEEA5A #66EA5A #5AEA96

triadic

#66EA5A #5A66EA #EA5A66

tetradic

#66EA5A #5AAEEA #DE5AEA #EA965A

square

#66EA5A #5AAEEA #DE5AEA #EA965A

split-complementary

#66EA5A #965AEA #EA5AAE

monochromatic

#24B317 #34E324 #66EA5A #98F190 #CBF8C7

Accessibility & contrast

On white

1.56

#66EA5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.48

#66EA5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA5A

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA5A	#FFFFFF	#000000	##000000
##66EA5A	1.00	1.56	13.48	13.48
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.48	21.00	1.00	1.00
##000000	13.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD649

Deuteranopia (green-blind)

#DECB66

Tritanopia (blue-blind)

#52E3CC

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #66ea5a;
/* rgb */ color: rgb(102, 234, 90);
/* oklch */ color: oklch(83.4% 0.218 142.0);

Tailwind

colors: {
  custom: {
    50: '#9df28e',
    500: '#66ea5a',
    950: '#000000',
  },
}

SCSS

$custom: #66ea5a;
$custom-light: #9df28e;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea5a",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 90
  },
  "hsl": {
    "h": 115,
    "s": 77.419,
    "l": 63.529
  },
  "oklch": {
    "l": 0.8335,
    "c": 0.21818,
    "h": 142
  },
  "luminance": 0.62409
}

Semantic roles & 50–950 ramp

primary

#66EA5A

secondary

#A935B3

accent

#0CDAC9

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#10170D

muted

#80857F

Preview Lab

Preview with #66EA5A

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

Preview Lab → · Contrast checker → · Palette generator →