#40BF57#40BF57

#40BF57 is a light, vivid green. Relative luminance 0.390; OKLCH L 71.2% C 0.182 H 146.5°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#40BF57
RGB	rgb(64, 191, 87)
HSL	hsl(131, 50%, 50%)
HSV	hsv(131, 66%, 75%)
CMYK	cmyk(66.5%, 0%, 54.5%, 25.1%)
CIE-LAB	lab(68.78, -56.29, 42.04)
CIE-LCH	lch(68.78, 70.25, 143.24°)
OKLab	oklab(71.2% -0.1519 0.1006)
OKLCH	oklch(71.2% 0.182 146.5)
XYZ	xyz(22.4639, 39.0374, 15.3661)
Luminance	0.3904 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BF57 #BF40A8

analogous

#69BF40 #40BF57 #40BF96

triadic

#40BF57 #5740BF #BF5740

tetradic

#40BF57 #4069BF #BF40A8 #BF9640

square

#40BF57 #4069BF #BF40A8 #BF9640

split-complementary

#40BF57 #9640BF #BF4069

monochromatic

#21632D #319142 #40BF57 #6ECE7F #9CDEA8

Accessibility & contrast

On white

2.38

#40BF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#40BF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF57

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BF57	#FFFFFF	#000000	##000000
##40BF57	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AE4D

Deuteranopia (green-blind)

#B2A45F

Tritanopia (blue-blind)

#15BBA8

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40bf57;
/* rgb */ color: rgb(64, 191, 87);
/* oklch */ color: oklch(71.2% 0.182 146.5);

Tailwind

colors: {
  custom: {
    50: '#84d389',
    500: '#40bf57',
    950: '#000000',
  },
}

SCSS

$custom: #40bf57;
$custom-light: #84d389;
$custom-dark: #000000;

JSON

{
  "hex": "#40bf57",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 87
  },
  "hsl": {
    "h": 130.866,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.71198,
    "c": 0.18223,
    "h": 146.5
  },
  "luminance": 0.3904
}

Semantic roles & 50–950 ramp

primary

#40BF57

secondary

#CA91C0

accent

#4EC0D9

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C140C

muted

#7D837D

Preview Lab

Preview with #40BF57

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

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