#40C378#40C378

#40C378 is a light, vivid green. Relative luminance 0.415; OKLCH L 72.8% C 0.158 H 154.1°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#40C378
RGB	rgb(64, 195, 120)
HSL	hsl(146, 52%, 51%)
HSV	hsv(146, 67%, 76%)
CMYK	cmyk(67.2%, 0%, 38.5%, 23.5%)
CIE-LAB	lab(70.51, -52.44, 27.58)
CIE-LCH	lch(70.51, 59.25, 152.26°)
OKLab	oklab(72.78% -0.1417 0.0689)
OKLCH	oklch(72.78% 0.158 154.1)
XYZ	xyz(25.0174, 41.4736, 24.4524)
Luminance	0.4148 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C378 #C3408B

analogous

#49C340 #40C378 #40C3B9

triadic

#40C378 #7840C3 #C37840

tetradic

#40C378 #4049C3 #C3408B #C3B940

square

#40C378 #4049C3 #C3408B #C3B940

split-complementary

#40C378 #B940C3 #C34049

monochromatic

#21683F #2F975B #40C378 #6FD299 #9DE0BA

Accessibility & contrast

On white

2.26

#40C378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#40C378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C378

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C378	#FFFFFF	#000000	##000000
##40C378	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3B473

Deuteranopia (green-blind)

#B2A87D

Tritanopia (blue-blind)

#00C1B0

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #40c378;
/* rgb */ color: rgb(64, 195, 120);
/* oklch */ color: oklch(72.8% 0.158 154.1);

Tailwind

colors: {
  custom: {
    50: '#84d69f',
    500: '#40c378',
    950: '#000000',
  },
}

SCSS

$custom: #40c378;
$custom-light: #84d69f;
$custom-dark: #000000;

JSON

{
  "hex": "#40c378",
  "rgb": {
    "r": 64,
    "g": 195,
    "b": 120
  },
  "hsl": {
    "h": 145.649,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72778,
    "c": 0.15757,
    "h": 154.1
  },
  "luminance": 0.41476
}

Semantic roles & 50–950 ramp

primary

#40C378

secondary

#CC92B4

accent

#4C9EDC

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140E

muted

#7D837E

Preview Lab

Preview with #40C378

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

Preview Lab → · Contrast checker → · Palette generator →