#40E290#40E290

#40E290 is a light, vivid green. Relative luminance 0.575; OKLCH L 81.1% C 0.176 H 156.1°. Best body text is #000000 at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#40E290
RGB	rgb(64, 226, 144)
HSL	hsl(150, 74%, 57%)
HSV	hsv(150, 72%, 89%)
CMYK	cmyk(71.7%, 0%, 36.3%, 11.4%)
CIE-LAB	lab(80.46, -59.64, 28.43)
CIE-LCH	lch(80.46, 66.07, 154.51°)
OKLab	oklab(81.11% -0.1612 0.0713)
OKLCH	oklch(81.11% 0.176 156.1)
XYZ	xyz(34.3415, 57.4924, 35.6674)
Luminance	0.5750 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E290 #E24092

analogous

#41E240 #40E290 #40E2E1

triadic

#40E290 #9040E2 #E29040

tetradic

#40E290 #4041E2 #E24092 #E2E140

square

#40E290 #4041E2 #E24092 #E2E140

split-complementary

#40E290 #E140E2 #E24041

monochromatic

#169253 #1EC771 #40E290 #75EAAF #AAF2CE

Accessibility & contrast

On white

1.68

#40E290 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.50

#40E290 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E290

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E290	#FFFFFF	#000000	##000000
##40E290	1.00	1.68	12.50	12.50
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.50	21.00	1.00	1.00
##000000	12.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1D08B

Deuteranopia (green-blind)

#CDC295

Tritanopia (blue-blind)

#00E0CD

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #40e290;
/* rgb */ color: rgb(64, 226, 144);
/* oklch */ color: oklch(81.1% 0.176 156.1);

Tailwind

colors: {
  custom: {
    50: '#8aecb1',
    500: '#40e290',
    950: '#000000',
  },
}

SCSS

$custom: #40e290;
$custom-light: #8aecb1;
$custom-dark: #000000;

JSON

{
  "hex": "#40e290",
  "rgb": {
    "r": 64,
    "g": 226,
    "b": 144
  },
  "hsl": {
    "h": 149.63,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.81105,
    "c": 0.17631,
    "h": 156.1
  },
  "luminance": 0.57496
}

Semantic roles & 50–950 ramp

primary

#40E290

secondary

#963064

accent

#3895F0

background

#FCFFFD

surface

#F4FEF7

border

#CED6D0

text

#0D1610

muted

#7F8581

Preview Lab

Preview with #40E290

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

Preview Lab → · Contrast checker → · Palette generator →