#40D878#40D878

#40D878 is a light, vivid green. Relative luminance 0.516; OKLCH L 78.1% C 0.185 H 151.3°. Best body text is #000000 at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#40D878
RGB	rgb(64, 216, 120)
HSL	hsl(142, 66%, 55%)
HSV	hsv(142, 70%, 85%)
CMYK	cmyk(70.4%, 0%, 44.4%, 15.3%)
CIE-LAB	lab(77.01, -60.27, 36.08)
CIE-LCH	lch(77.01, 70.24, 149.09°)
OKLab	oklab(78.14% -0.1623 0.0887)
OKLCH	oklch(78.14% 0.185 151.3)
XYZ	xyz(30.0579, 51.5544, 26.1325)
Luminance	0.5156 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D878 #D840A0

analogous

#54D840 #40D878 #40D8C4

triadic

#40D878 #7840D8 #D87840

tetradic

#40D878 #4054D8 #D840A0 #D8C440

square

#40D878 #4054D8 #D840A0 #D8C440

split-complementary

#40D878 #C440D8 #D84054

monochromatic

#1B8341 #25B65A #40D878 #73E29C #A6EDC0

Accessibility & contrast

On white

1.86

#40D878 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.31

#40D878 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D878

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D878	#FFFFFF	#000000	##000000
##40D878	1.00	1.86	11.31	11.31
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.31	21.00	1.00	1.00
##000000	11.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C671

Deuteranopia (green-blind)

#C6B97F

Tritanopia (blue-blind)

#00D5C1

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #40d878;
/* rgb */ color: rgb(64, 216, 120);
/* oklch */ color: oklch(78.1% 0.185 151.3);

Tailwind

colors: {
  custom: {
    50: '#88e5a0',
    500: '#40d878',
    950: '#000000',
  },
}

SCSS

$custom: #40d878;
$custom-light: #88e5a0;
$custom-dark: #000000;

JSON

{
  "hex": "#40d878",
  "rgb": {
    "r": 64,
    "g": 216,
    "b": 120
  },
  "hsl": {
    "h": 142.105,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.78142,
    "c": 0.18496,
    "h": 151.3
  },
  "luminance": 0.51558
}

Semantic roles & 50–950 ramp

primary

#40D878

secondary

#8A336A

accent

#3FAAE9

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #40D878

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

Preview Lab → · Contrast checker → · Palette generator →