#40E240#40E240

#40E240 is a light, highly saturated green. Relative luminance 0.559; OKLCH L 80.0% C 0.240 H 142.9°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#40E240
RGB	rgb(64, 226, 64)
HSL	hsl(120, 74%, 57%)
HSV	hsv(120, 72%, 89%)
CMYK	cmyk(71.7%, 0%, 71.7%, 11.4%)
CIE-LAB	lab(79.53, -70.44, 63.67)
CIE-LCH	lch(79.53, 94.95, 137.89°)
OKLab	oklab(80.04% -0.1912 0.1445)
OKLCH	oklch(80.04% 0.24 142.9)
XYZ	xyz(30.2343, 55.8495, 14.0361)
Luminance	0.5585 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E240 #E240E2

analogous

#91E240 #40E240 #40E291

triadic

#40E240 #4040E2 #E24040

tetradic

#40E240 #4091E2 #E240E2 #E29140

square

#40E240 #4091E2 #E240E2 #E29140

split-complementary

#40E240 #9140E2 #E24091

monochromatic

#169216 #1EC71E #40E240 #75EA75 #AAF2AA

Accessibility & contrast

On white

1.73

#40E240 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#40E240 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E240

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E240	#FFFFFF	#000000	##000000
##40E240	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CD23

Deuteranopia (green-blind)

#D4C051

Tritanopia (blue-blind)

#00DBC2

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #40e240;
/* rgb */ color: rgb(64, 226, 64);
/* oklch */ color: oklch(80.0% 0.240 142.9);

Tailwind

colors: {
  custom: {
    50: '#8cec7e',
    500: '#40e240',
    950: '#000000',
  },
}

SCSS

$custom: #40e240;
$custom-light: #8cec7e;
$custom-dark: #000000;

JSON

{
  "hex": "#40e240",
  "rgb": {
    "r": 64,
    "g": 226,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.80037,
    "c": 0.23969,
    "h": 142.9
  },
  "luminance": 0.55853
}

Semantic roles & 50–950 ramp

primary

#40E240

secondary

#963096

accent

#38F0F0

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160B

muted

#7F857E

Preview Lab

Preview with #40E240

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

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