#40E255#40E255

#40E255 is a light, highly saturated green. Relative luminance 0.561; OKLCH L 80.2% C 0.226 H 144.9°. Best body text is #000000 at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#40E255
RGB	rgb(64, 226, 85)
HSL	hsl(128, 74%, 57%)
HSV	hsv(128, 72%, 89%)
CMYK	cmyk(71.7%, 0%, 62.4%, 11.4%)
CIE-LAB	lab(79.69, -68.48, 55.63)
CIE-LCH	lch(79.69, 88.23, 140.91°)
OKLab	oklab(80.22% -0.185 0.1299)
OKLCH	oklch(80.22% 0.226 144.9)
XYZ	xyz(30.9483, 56.1351, 17.7967)
Luminance	0.5614 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E255 #E240CD

analogous

#7CE240 #40E255 #40E2A6

triadic

#40E255 #5540E2 #E25540

tetradic

#40E255 #407CE2 #E240CD #E2A640

square

#40E255 #407CE2 #E240CD #E2A640

split-complementary

#40E255 #A640E2 #E2407C

monochromatic

#169226 #1EC734 #40E255 #75EA84 #AAF2B4

Accessibility & contrast

On white

1.72

#40E255 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.23

#40E255 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E255

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E255	#FFFFFF	#000000	##000000
##40E255	1.00	1.72	12.23	12.23
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.23	21.00	1.00	1.00
##000000	12.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CD45

Deuteranopia (green-blind)

#D3C061

Tritanopia (blue-blind)

#00DCC4

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #40e255;
/* rgb */ color: rgb(64, 226, 85);
/* oklch */ color: oklch(80.2% 0.226 144.9);

Tailwind

colors: {
  custom: {
    50: '#8bec8a',
    500: '#40e255',
    950: '#000000',
  },
}

SCSS

$custom: #40e255;
$custom-light: #8bec8a;
$custom-dark: #000000;

JSON

{
  "hex": "#40e255",
  "rgb": {
    "r": 64,
    "g": 226,
    "b": 85
  },
  "hsl": {
    "h": 127.778,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.80224,
    "c": 0.22601,
    "h": 144.9
  },
  "luminance": 0.56139
}

Semantic roles & 50–950 ramp

primary

#40E255

secondary

#963089

accent

#38D8F0

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #40E255

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

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