#40D78B#40D78B

#40D78B is a light, vivid green. Relative luminance 0.516; OKLCH L 78.2% C 0.167 H 156.6°. Best body text is #000000 at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#40D78B
RGB	rgb(64, 215, 139)
HSL	hsl(150, 65%, 55%)
HSV	hsv(150, 70%, 84%)
CMYK	cmyk(70.2%, 0%, 35.3%, 15.7%)
CIE-LAB	lab(77.01, -56.47, 26.38)
CIE-LCH	lch(77.01, 62.33, 154.96°)
OKLab	oklab(78.24% -0.1529 0.0663)
OKLCH	oklch(78.24% 0.167 156.6)
XYZ	xyz(31.0720, 51.5514, 32.7339)
Luminance	0.5155 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D78B #D7408C

analogous

#41D740 #40D78B #40D7D6

triadic

#40D78B #8B40D7 #D78B40

tetradic

#40D78B #4041D7 #D7408C #D7D640

square

#40D78B #4041D7 #D7408C #D7D640

split-complementary

#40D78B #D640D7 #D74041

monochromatic

#1B814E #26B46C #40D78B #73E2AA #A5ECC8

Accessibility & contrast

On white

1.86

#40D78B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.31

#40D78B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D78B

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D78B	#FFFFFF	#000000	##000000
##40D78B	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)

#D6C686

Deuteranopia (green-blind)

#C3B990

Tritanopia (blue-blind)

#00D5C3

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #40d78b;
/* rgb */ color: rgb(64, 215, 139);
/* oklch */ color: oklch(78.2% 0.167 156.6);

Tailwind

colors: {
  custom: {
    50: '#88e4ad',
    500: '#40d78b',
    950: '#000000',
  },
}

SCSS

$custom: #40d78b;
$custom-light: #88e4ad;
$custom-dark: #000000;

JSON

{
  "hex": "#40d78b",
  "rgb": {
    "r": 64,
    "g": 215,
    "b": 139
  },
  "hsl": {
    "h": 149.801,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.78241,
    "c": 0.16665,
    "h": 156.6
  },
  "luminance": 0.51555
}

Semantic roles & 50–950 ramp

primary

#40D78B

secondary

#88335E

accent

#3F94E8

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40D78B

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

Preview Lab → · Contrast checker → · Palette generator →