#66EC5A#66EC5A

#66EC5A is a very light, highly saturated green. Relative luminance 0.636; OKLCH L 83.8% C 0.221 H 142.0°. Best body text is #000000 at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#66EC5A
RGB	rgb(102, 236, 90)
HSL	hsl(115, 79%, 64%)
HSV	hsv(115, 62%, 93%)
CMYK	cmyk(56.8%, 0%, 61.9%, 7.5%)
CIE-LAB	lab(83.73, -63.75, 58.32)
CIE-LCH	lch(83.73, 86.40, 137.55°)
OKLab	oklab(83.85% -0.1738 0.1359)
OKLCH	oklch(83.85% 0.221 142)
XYZ	xyz(37.3185, 63.5506, 19.9708)
Luminance	0.6355 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EC5A #E05AEC

analogous

#AFEC5A #66EC5A #5AEC97

triadic

#66EC5A #5A66EC #EC5A66

tetradic

#66EC5A #5AAFEC #E05AEC #EC975A

square

#66EC5A #5AAFEC #E05AEC #EC975A

split-complementary

#66EC5A #975AEC #EC5AAF

monochromatic

#22B715 #33E623 #66EC5A #99F291 #CCF9C8

Accessibility & contrast

On white

1.53

#66EC5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.71

#66EC5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EC5A

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EC5A	#FFFFFF	#000000	##000000
##66EC5A	1.00	1.53	13.71	13.71
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.71	21.00	1.00	1.00
##000000	13.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D849

Deuteranopia (green-blind)

#E0CC66

Tritanopia (blue-blind)

#52E5CD

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ec5a;
/* rgb */ color: rgb(102, 236, 90);
/* oklch */ color: oklch(83.8% 0.221 142.0);

Tailwind

colors: {
  custom: {
    50: '#9ef38e',
    500: '#66ec5a',
    950: '#000000',
  },
}

SCSS

$custom: #66ec5a;
$custom-light: #9ef38e;
$custom-dark: #000000;

JSON

{
  "hex": "#66ec5a",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 90
  },
  "hsl": {
    "h": 115.068,
    "s": 79.348,
    "l": 63.922
  },
  "oklch": {
    "l": 0.83847,
    "c": 0.22059,
    "h": 142
  },
  "luminance": 0.63554
}

Semantic roles & 50–950 ramp

primary

#66EC5A

secondary

#AB34B6

accent

#0ADCCA

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#10170D

muted

#80857F

Preview Lab

Preview with #66EC5A

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

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