#40BB5C#40BB5C

#40BB5C is a light, vivid green. Relative luminance 0.374; OKLCH L 70.2% C 0.173 H 147.7°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#40BB5C
RGB	rgb(64, 187, 92)
HSL	hsl(134, 49%, 49%)
HSV	hsv(134, 66%, 73%)
CMYK	cmyk(65.8%, 0%, 50.8%, 26.7%)
CIE-LAB	lab(67.58, -54.11, 38.14)
CIE-LCH	lch(67.58, 66.20, 144.83°)
OKLab	oklab(70.23% -0.146 0.0922)
OKLCH	oklch(70.23% 0.173 147.7)
XYZ	xyz(21.8149, 37.4011, 16.1926)
Luminance	0.3740 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BB5C #BB409F

analogous

#61BB40 #40BB5C #40BB9A

triadic

#40BB5C #5C40BB #BB5C40

tetradic

#40BB5C #4061BB #BB409F #BB9A40

square

#40BB5C #4061BB #BB409F #BB9A40

split-complementary

#40BB5C #9A40BB #BB4061

monochromatic

#21602F #308D46 #40BB5C #6CCD82 #99DCA8

Accessibility & contrast

On white

2.48

#40BB5C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#40BB5C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BB5C

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BB5C	#FFFFFF	#000000	##000000
##40BB5C	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAB54

Deuteranopia (green-blind)

#AEA063

Tritanopia (blue-blind)

#14B7A5

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40bb5c;
/* rgb */ color: rgb(64, 187, 92);
/* oklch */ color: oklch(70.2% 0.173 147.7);

Tailwind

colors: {
  custom: {
    50: '#83d08c',
    500: '#40bb5c',
    950: '#000000',
  },
}

SCSS

$custom: #40bb5c;
$custom-light: #83d08c;
$custom-dark: #000000;

JSON

{
  "hex": "#40bb5c",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 92
  },
  "hsl": {
    "h": 133.659,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70227,
    "c": 0.17268,
    "h": 147.7
  },
  "luminance": 0.37403
}

Semantic roles & 50–950 ramp

primary

#40BB5C

secondary

#C88FBB

accent

#4FB9D9

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C140C

muted

#7D827D

Preview Lab

Preview with #40BB5C

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

Preview Lab → · Contrast checker → · Palette generator →