#40BF5B#40BF5B

#40BF5B is a light, vivid green. Relative luminance 0.391; OKLCH L 71.3% C 0.179 H 147.3°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#40BF5B
RGB	rgb(64, 191, 91)
HSL	hsl(133, 50%, 50%)
HSV	hsv(133, 66%, 75%)
CMYK	cmyk(66.5%, 0%, 52.4%, 25.1%)
CIE-LAB	lab(68.83, -55.73, 40.16)
CIE-LCH	lch(68.83, 68.69, 144.22°)
OKLab	oklab(71.25% -0.1503 0.0967)
OKLCH	oklch(71.25% 0.179 147.3)
XYZ	xyz(22.6319, 39.1045, 16.2507)
Luminance	0.3911 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BF5B #BF40A4

analogous

#64BF40 #40BF5B #40BF9B

triadic

#40BF5B #5B40BF #BF5B40

tetradic

#40BF5B #4064BF #BF40A4 #BF9B40

square

#40BF5B #4064BF #BF40A4 #BF9B40

split-complementary

#40BF5B #9B40BF #BF4064

monochromatic

#21632F #319145 #40BF5B #6ECE82 #9CDEAA

Accessibility & contrast

On white

2.38

#40BF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#40BF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF5B

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BF5B	#FFFFFF	#000000	##000000
##40BF5B	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AE52

Deuteranopia (green-blind)

#B2A462

Tritanopia (blue-blind)

#11BBA8

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40bf5b;
/* rgb */ color: rgb(64, 191, 91);
/* oklch */ color: oklch(71.3% 0.179 147.3);

Tailwind

colors: {
  custom: {
    50: '#84d38b',
    500: '#40bf5b',
    950: '#000000',
  },
}

SCSS

$custom: #40bf5b;
$custom-light: #84d38b;
$custom-dark: #000000;

JSON

{
  "hex": "#40bf5b",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 91
  },
  "hsl": {
    "h": 132.756,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.71254,
    "c": 0.17875,
    "h": 147.3
  },
  "luminance": 0.39107
}

Semantic roles & 50–950 ramp

primary

#40BF5B

secondary

#CA91BE

accent

#4EBCD9

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C140C

muted

#7D837D

Preview Lab

Preview with #40BF5B

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

Preview Lab → · Contrast checker → · Palette generator →