#40C54E#40C54E

#40C54E is a light, vivid green. Relative luminance 0.416; OKLCH L 72.7% C 0.197 H 144.8°. Best body text is #000000 at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#40C54E
RGB	rgb(64, 197, 78)
HSL	hsl(126, 53%, 51%)
HSV	hsv(126, 68%, 77%)
CMYK	cmyk(67.5%, 0%, 60.4%, 22.7%)
CIE-LAB	lab(70.57, -59.55, 48.33)
CIE-LCH	lch(70.57, 76.69, 140.93°)
OKLab	oklab(72.65% -0.1611 0.1136)
OKLCH	oklch(72.65% 0.197 144.8)
XYZ	xyz(23.4542, 41.5701, 13.9940)
Luminance	0.4157 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C54E #C540B7

analogous

#74C540 #40C54E #40C590

triadic

#40C54E #4E40C5 #C54E40

tetradic

#40C54E #4074C5 #C540B7 #C59040

square

#40C54E #4074C5 #C540B7 #C59040

split-complementary

#40C54E #9040C5 #C54074

monochromatic

#206A28 #2F993A #40C54E #6FD37A #9EE2A5

Accessibility & contrast

On white

2.25

#40C54E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.31

#40C54E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C54E

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C54E	#FFFFFF	#000000	##000000
##40C54E	1.00	2.25	9.31	9.31
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.31	21.00	1.00	1.00
##000000	9.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B341

Deuteranopia (green-blind)

#B8A858

Tritanopia (blue-blind)

#16C0AB

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #40c54e;
/* rgb */ color: rgb(64, 197, 78);
/* oklch */ color: oklch(72.7% 0.197 144.8);

Tailwind

colors: {
  custom: {
    50: '#86d883',
    500: '#40c54e',
    950: '#000000',
  },
}

SCSS

$custom: #40c54e;
$custom-light: #86d883;
$custom-dark: #000000;

JSON

{
  "hex": "#40c54e",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 78
  },
  "hsl": {
    "h": 126.316,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.72651,
    "c": 0.19709,
    "h": 144.8
  },
  "luminance": 0.41573
}

Semantic roles & 50–950 ramp

primary

#40C54E

secondary

#CE93C8

accent

#4BCDDD

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0C150B

muted

#7D837C

Preview Lab

Preview with #40C54E

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

Preview Lab → · Contrast checker → · Palette generator →