#40C256#40C256

#40C256 is a light, vivid green. Relative luminance 0.403; OKLCH L 72.0% C 0.187 H 146.2°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#40C256
RGB	rgb(64, 194, 86)
HSL	hsl(130, 52%, 51%)
HSV	hsv(130, 67%, 76%)
CMYK	cmyk(67%, 0%, 55.7%, 23.9%)
CIE-LAB	lab(69.71, -57.50, 43.64)
CIE-LCH	lch(69.71, 72.18, 142.80°)
OKLab	oklab(71.97% -0.1552 0.104)
OKLCH	oklch(71.97% 0.187 146.2)
XYZ	xyz(23.0843, 40.3430, 15.3727)
Luminance	0.4034 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C256 #C240AC

analogous

#6BC240 #40C256 #40C297

triadic

#40C256 #5640C2 #C25640

tetradic

#40C256 #406BC2 #C240AC #C29740

square

#40C256 #406BC2 #C240AC #C29740

split-complementary

#40C256 #9740C2 #C2406B

monochromatic

#21672D #309541 #40C256 #6ED17F #9DE0A8

Accessibility & contrast

On white

2.32

#40C256 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#40C256 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C256

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C256	#FFFFFF	#000000	##000000
##40C256	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5B14C

Deuteranopia (green-blind)

#B5A65E

Tritanopia (blue-blind)

#13BDAA

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #40c256;
/* rgb */ color: rgb(64, 194, 86);
/* oklch */ color: oklch(72.0% 0.187 146.2);

Tailwind

colors: {
  custom: {
    50: '#85d588',
    500: '#40c256',
    950: '#000000',
  },
}

SCSS

$custom: #40c256;
$custom-light: #85d588;
$custom-dark: #000000;

JSON

{
  "hex": "#40c256",
  "rgb": {
    "r": 64,
    "g": 194,
    "b": 86
  },
  "hsl": {
    "h": 130.154,
    "s": 51.587,
    "l": 50.588
  },
  "oklch": {
    "l": 0.71967,
    "c": 0.18687,
    "h": 146.2
  },
  "luminance": 0.40345
}

Semantic roles & 50–950 ramp

primary

#40C256

secondary

#CC92C2

accent

#4DC3DB

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C140C

muted

#7D837D

Preview Lab

Preview with #40C256

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

Preview Lab → · Contrast checker → · Palette generator →