#40C878#40C878

#40C878 is a light, vivid green. Relative luminance 0.438; OKLCH L 74.1% C 0.164 H 153.3°. Best body text is #000000 at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#40C878
RGB	rgb(64, 200, 120)
HSL	hsl(145, 55%, 52%)
HSV	hsv(145, 68%, 78%)
CMYK	cmyk(68%, 0%, 40%, 21.6%)
CIE-LAB	lab(72.06, -54.35, 29.64)
CIE-LCH	lch(72.06, 61.91, 151.40°)
OKLab	oklab(74.06% -0.1467 0.0737)
OKLCH	oklch(74.06% 0.164 153.3)
XYZ	xyz(26.1565, 43.7518, 24.8321)
Luminance	0.4375 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C878 #C84090

analogous

#4CC840 #40C878 #40C8BC

triadic

#40C878 #7840C8 #C87840

tetradic

#40C878 #404CC8 #C84090 #C8BC40

square

#40C878 #404CC8 #C84090 #C8BC40

split-complementary

#40C878 #BC40C8 #C8404C

monochromatic

#206E40 #2D9D5C #40C878 #70D69A #9FE3BB

Accessibility & contrast

On white

2.15

#40C878 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.75

#40C878 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C878

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C878	#FFFFFF	#000000	##000000
##40C878	1.00	2.15	9.75	9.75
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.75	21.00	1.00	1.00
##000000	9.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B872

Deuteranopia (green-blind)

#B7AC7D

Tritanopia (blue-blind)

#00C5B4

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #40c878;
/* rgb */ color: rgb(64, 200, 120);
/* oklch */ color: oklch(74.1% 0.164 153.3);

Tailwind

colors: {
  custom: {
    50: '#85da9f',
    500: '#40c878',
    950: '#000000',
  },
}

SCSS

$custom: #40c878;
$custom-light: #85da9f;
$custom-dark: #000000;

JSON

{
  "hex": "#40c878",
  "rgb": {
    "r": 64,
    "g": 200,
    "b": 120
  },
  "hsl": {
    "h": 144.706,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.74059,
    "c": 0.1642,
    "h": 153.3
  },
  "luminance": 0.43755
}

Semantic roles & 50–950 ramp

primary

#40C878

secondary

#D094B7

accent

#49A1DF

background

#F8FDF9

surface

#F0FBF2

border

#CBD4CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #40C878

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

Preview Lab → · Contrast checker → · Palette generator →