#66E458#66E458

#66E458 is a light, highly saturated green. Relative luminance 0.590; OKLCH L 81.8% C 0.212 H 141.7°. Best body text is #000000 at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#66E458
RGB	rgb(102, 228, 88)
HSL	hsl(114, 72%, 62%)
HSV	hsv(114, 61%, 89%)
CMYK	cmyk(55.3%, 0%, 61.4%, 10.6%)
CIE-LAB	lab(81.30, -61.07, 56.43)
CIE-LCH	lch(81.30, 83.15, 137.26°)
OKLab	oklab(81.84% -0.1666 0.1317)
OKLCH	oklch(81.84% 0.212 141.7)
XYZ	xyz(34.9826, 59.0132, 18.7778)
Luminance	0.5902 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E458 #D658E4

analogous

#ACE458 #66E458 #58E490

triadic

#66E458 #5866E4 #E45866

tetradic

#66E458 #58ACE4 #D658E4 #E49058

square

#66E458 #58ACE4 #D658E4 #E49058

split-complementary

#66E458 #9058E4 #E458AC

monochromatic

#29A71B #36DB23 #66E458 #96ED8D #C7F5C1

Accessibility & contrast

On white

1.64

#66E458 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.80

#66E458 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E458

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E458	#FFFFFF	#000000	##000000
##66E458	1.00	1.64	12.80	12.80
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.80	21.00	1.00	1.00
##000000	12.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D148

Deuteranopia (green-blind)

#D9C664

Tritanopia (blue-blind)

#55DDC6

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66e458;
/* rgb */ color: rgb(102, 228, 88);
/* oklch */ color: oklch(81.8% 0.212 141.7);

Tailwind

colors: {
  custom: {
    50: '#9ded8c',
    500: '#66e458',
    950: '#000000',
  },
}

SCSS

$custom: #66e458;
$custom-light: #9ded8c;
$custom-dark: #000000;

JSON

{
  "hex": "#66e458",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 88
  },
  "hsl": {
    "h": 114,
    "s": 72.165,
    "l": 61.961
  },
  "oklch": {
    "l": 0.81837,
    "c": 0.21236,
    "h": 141.7
  },
  "luminance": 0.59016
}

Semantic roles & 50–950 ramp

primary

#66E458

secondary

#9D37A9

accent

#11D4C1

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E458

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

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