#40C178#40C178

#40C178 is a light, vivid green. Relative luminance 0.406; OKLCH L 72.3% C 0.155 H 154.4°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#40C178
RGB	rgb(64, 193, 120)
HSL	hsl(146, 51%, 50%)
HSV	hsv(146, 67%, 76%)
CMYK	cmyk(66.8%, 0%, 37.8%, 24.3%)
CIE-LAB	lab(69.88, -51.66, 26.75)
CIE-LCH	lch(69.88, 58.18, 152.62°)
OKLab	oklab(72.27% -0.1397 0.0669)
OKLCH	oklch(72.27% 0.155 154.4)
XYZ	xyz(24.5723, 40.5833, 24.3040)
Luminance	0.4059 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C178 #C14089

analogous

#48C140 #40C178 #40C1B9

triadic

#40C178 #7840C1 #C17840

tetradic

#40C178 #4048C1 #C14089 #C1B940

square

#40C178 #4048C1 #C14089 #C1B940

split-complementary

#40C178 #B940C1 #C14048

monochromatic

#21663F #30945B #40C178 #6ED099 #9CDFB9

Accessibility & contrast

On white

2.30

#40C178 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.12

#40C178 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C178

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C178	#FFFFFF	#000000	##000000
##40C178	1.00	2.30	9.12	9.12
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.12	21.00	1.00	1.00
##000000	9.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1B273

Deuteranopia (green-blind)

#B0A67D

Tritanopia (blue-blind)

#00BFAF

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #40c178;
/* rgb */ color: rgb(64, 193, 120);
/* oklch */ color: oklch(72.3% 0.155 154.4);

Tailwind

colors: {
  custom: {
    50: '#84d59f',
    500: '#40c178',
    950: '#000000',
  },
}

SCSS

$custom: #40c178;
$custom-light: #84d59f;
$custom-dark: #000000;

JSON

{
  "hex": "#40c178",
  "rgb": {
    "r": 64,
    "g": 193,
    "b": 120
  },
  "hsl": {
    "h": 146.047,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.72265,
    "c": 0.15489,
    "h": 154.4
  },
  "luminance": 0.40586
}

Semantic roles & 50–950 ramp

primary

#40C178

secondary

#CB92B2

accent

#4D9DDA

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140E

muted

#7D837E

Preview Lab

Preview with #40C178

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

Preview Lab → · Contrast checker → · Palette generator →