#40E586#40E586

#40E586 is a light, vivid green. Relative luminance 0.589; OKLCH L 81.7% C 0.189 H 153.1°. Best body text is #000000 at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#40E586
RGB	rgb(64, 229, 134)
HSL	hsl(145, 76%, 57%)
HSV	hsv(145, 72%, 90%)
CMYK	cmyk(72.1%, 0%, 41.5%, 10.2%)
CIE-LAB	lab(81.21, -62.56, 34.50)
CIE-LCH	lch(81.21, 71.44, 151.13°)
OKLab	oklab(81.67% -0.1685 0.0855)
OKLCH	oklch(81.67% 0.189 153.1)
XYZ	xyz(34.4337, 58.8459, 32.0933)
Luminance	0.5885 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E586 #E5409F

analogous

#4CE540 #40E586 #40E5D9

triadic

#40E586 #8640E5 #E58640

tetradic

#40E586 #404CE5 #E5409F #E5D940

square

#40E586 #404CE5 #E5409F #E5D940

split-complementary

#40E586 #D940E5 #E5404C

monochromatic

#14964B #1CCC67 #40E586 #76ECA8 #ACF4CA

Accessibility & contrast

On white

1.64

#40E586 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.77

#40E586 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E586

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E586	#FFFFFF	#000000	##000000
##40E586	1.00	1.64	12.77	12.77
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.77	21.00	1.00	1.00
##000000	12.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D27F

Deuteranopia (green-blind)

#D1C48C

Tritanopia (blue-blind)

#00E2CE

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #40e586;
/* rgb */ color: rgb(64, 229, 134);
/* oklch */ color: oklch(81.7% 0.189 153.1);

Tailwind

colors: {
  custom: {
    50: '#8aeeaa',
    500: '#40e586',
    950: '#000000',
  },
}

SCSS

$custom: #40e586;
$custom-light: #8aeeaa;
$custom-dark: #000000;

JSON

{
  "hex": "#40e586",
  "rgb": {
    "r": 64,
    "g": 229,
    "b": 134
  },
  "hsl": {
    "h": 145.455,
    "s": 76.037,
    "l": 57.451
  },
  "oklch": {
    "l": 0.81672,
    "c": 0.18896,
    "h": 153.1
  },
  "luminance": 0.5885
}

Semantic roles & 50–950 ramp

primary

#40E586

secondary

#9A2F6D

accent

#35A2F3

background

#FCFFFD

surface

#F4FEF7

border

#CED6D0

text

#0D1710

muted

#7F8581

Preview Lab

Preview with #40E586

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

Preview Lab → · Contrast checker → · Palette generator →