#40C478#40C478

#40C478 is a light, vivid green. Relative luminance 0.419; OKLCH L 73.0% C 0.159 H 153.9°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#40C478
RGB	rgb(64, 196, 120)
HSL	hsl(145, 53%, 51%)
HSV	hsv(145, 67%, 77%)
CMYK	cmyk(67.3%, 0%, 38.8%, 23.1%)
CIE-LAB	lab(70.82, -52.82, 27.99)
CIE-LCH	lch(70.82, 59.78, 152.08°)
OKLab	oklab(73.03% -0.1427 0.0698)
OKLCH	oklch(73.03% 0.159 153.9)
XYZ	xyz(25.2422, 41.9232, 24.5273)
Luminance	0.4193 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C478 #C4408C

analogous

#4AC440 #40C478 #40C4BA

triadic

#40C478 #7840C4 #C47840

tetradic

#40C478 #404AC4 #C4408C #C4BA40

square

#40C478 #404AC4 #C4408C #C4BA40

split-complementary

#40C478 #BA40C4 #C4404A

monochromatic

#20693F #2F985B #40C478 #6FD299 #9EE1BA

Accessibility & contrast

On white

2.24

#40C478 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.39

#40C478 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C478

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C478	#FFFFFF	#000000	##000000
##40C478	1.00	2.24	9.39	9.39
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.39	21.00	1.00	1.00
##000000	9.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B473

Deuteranopia (green-blind)

#B3A97D

Tritanopia (blue-blind)

#00C2B1

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #40c478;
/* rgb */ color: rgb(64, 196, 120);
/* oklch */ color: oklch(73.0% 0.159 153.9);

Tailwind

colors: {
  custom: {
    50: '#84d79f',
    500: '#40c478',
    950: '#000000',
  },
}

SCSS

$custom: #40c478;
$custom-light: #84d79f;
$custom-dark: #000000;

JSON

{
  "hex": "#40c478",
  "rgb": {
    "r": 64,
    "g": 196,
    "b": 120
  },
  "hsl": {
    "h": 145.455,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.73034,
    "c": 0.1589,
    "h": 153.9
  },
  "luminance": 0.41926
}

Semantic roles & 50–950 ramp

primary

#40C478

secondary

#CD93B4

accent

#4C9FDC

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140E

muted

#7D837E

Preview Lab

Preview with #40C478

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

Preview Lab → · Contrast checker → · Palette generator →