#40BB5A#40BB5A

#40BB5A is a light, vivid green. Relative luminance 0.374; OKLCH L 70.2% C 0.174 H 147.3°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#40BB5A
RGB	rgb(64, 187, 90)
HSL	hsl(133, 49%, 49%)
HSV	hsv(133, 66%, 73%)
CMYK	cmyk(65.8%, 0%, 51.9%, 26.7%)
CIE-LAB	lab(67.55, -54.41, 39.09)
CIE-LCH	lch(67.55, 67.00, 144.30°)
OKLab	oklab(70.2% -0.1468 0.0943)
OKLCH	oklch(70.2% 0.174 147.3)
XYZ	xyz(21.7286, 37.3666, 15.7382)
Luminance	0.3737 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BB5A #BB40A1

analogous

#64BB40 #40BB5A #40BB98

triadic

#40BB5A #5A40BB #BB5A40

tetradic

#40BB5A #4064BB #BB40A1 #BB9840

square

#40BB5A #4064BB #BB40A1 #BB9840

split-complementary

#40BB5A #9840BB #BB4064

monochromatic

#21602E #308D44 #40BB5A #6CCD80 #99DCA7

Accessibility & contrast

On white

2.48

#40BB5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#40BB5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BB5A

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BB5A	#FFFFFF	#000000	##000000
##40BB5A	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAB52

Deuteranopia (green-blind)

#AEA061

Tritanopia (blue-blind)

#16B7A5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40bb5a;
/* rgb */ color: rgb(64, 187, 90);
/* oklch */ color: oklch(70.2% 0.174 147.3);

Tailwind

colors: {
  custom: {
    50: '#83d08b',
    500: '#40bb5a',
    950: '#000000',
  },
}

SCSS

$custom: #40bb5a;
$custom-light: #83d08b;
$custom-dark: #000000;

JSON

{
  "hex": "#40bb5a",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 90
  },
  "hsl": {
    "h": 132.683,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70197,
    "c": 0.17446,
    "h": 147.3
  },
  "luminance": 0.37369
}

Semantic roles & 50–950 ramp

primary

#40BB5A

secondary

#C88FBC

accent

#4FBCD9

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C140C

muted

#7D827D

Preview Lab

Preview with #40BB5A

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

Preview Lab → · Contrast checker → · Palette generator →