#40BC5A#40BC5A

#40BC5A is a light, vivid green. Relative luminance 0.378; OKLCH L 70.5% C 0.176 H 147.2°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#40BC5A
RGB	rgb(64, 188, 90)
HSL	hsl(133, 49%, 49%)
HSV	hsv(133, 66%, 74%)
CMYK	cmyk(66%, 0%, 52.1%, 26.3%)
CIE-LAB	lab(67.87, -54.77, 39.48)
CIE-LCH	lch(67.87, 67.52, 144.22°)
OKLab	oklab(70.46% -0.1478 0.0951)
OKLCH	oklch(70.46% 0.176 147.2)
XYZ	xyz(21.9415, 37.7923, 15.8092)
Luminance	0.3780 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BC5A #BC40A2

analogous

#64BC40 #40BC5A #40BC98

triadic

#40BC5A #5A40BC #BC5A40

tetradic

#40BC5A #4064BC #BC40A2 #BC9840

square

#40BC5A #4064BC #BC40A2 #BC9840

split-complementary

#40BC5A #9840BC #BC4064

monochromatic

#21612E #308E44 #40BC5A #6CCD80 #9ADDA8

Accessibility & contrast

On white

2.45

#40BC5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#40BC5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BC5A

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BC5A	#FFFFFF	#000000	##000000
##40BC5A	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAC51

Deuteranopia (green-blind)

#AFA161

Tritanopia (blue-blind)

#15B8A6

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40bc5a;
/* rgb */ color: rgb(64, 188, 90);
/* oklch */ color: oklch(70.5% 0.176 147.2);

Tailwind

colors: {
  custom: {
    50: '#83d18b',
    500: '#40bc5a',
    950: '#000000',
  },
}

SCSS

$custom: #40bc5a;
$custom-light: #83d18b;
$custom-dark: #000000;

JSON

{
  "hex": "#40bc5a",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 90
  },
  "hsl": {
    "h": 132.581,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.70458,
    "c": 0.17576,
    "h": 147.2
  },
  "luminance": 0.37795
}

Semantic roles & 50–950 ramp

primary

#40BC5A

secondary

#C98FBD

accent

#4FBCD9

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C140C

muted

#7D837D

Preview Lab

Preview with #40BC5A

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

Preview Lab → · Contrast checker → · Palette generator →