#40BF50#40BF50

#40BF50 is a light, vivid green. Relative luminance 0.389; OKLCH L 71.1% C 0.188 H 145.3°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#40BF50
RGB	rgb(64, 191, 80)
HSL	hsl(128, 50%, 50%)
HSV	hsv(128, 66%, 75%)
CMYK	cmyk(66.5%, 0%, 58.1%, 25.1%)
CIE-LAB	lab(68.70, -57.20, 45.25)
CIE-LCH	lch(68.70, 72.93, 141.65°)
OKLab	oklab(71.11% -0.1546 0.1071)
OKLCH	oklch(71.11% 0.188 145.3)
XYZ	xyz(22.1917, 38.9285, 13.9323)
Luminance	0.3893 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BF50 #BF40AF

analogous

#70BF40 #40BF50 #40BF8F

triadic

#40BF50 #5040BF #BF5040

tetradic

#40BF50 #4070BF #BF40AF #BF8F40

square

#40BF50 #4070BF #BF40AF #BF8F40

split-complementary

#40BF50 #8F40BF #BF4070

monochromatic

#21632A #31913D #40BF50 #6ECE7A #9CDEA4

Accessibility & contrast

On white

2.39

#40BF50 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#40BF50 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF50

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BF50	#FFFFFF	#000000	##000000
##40BF50	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AE45

Deuteranopia (green-blind)

#B3A359

Tritanopia (blue-blind)

#1ABAA7

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40bf50;
/* rgb */ color: rgb(64, 191, 80);
/* oklch */ color: oklch(71.1% 0.188 145.3);

Tailwind

colors: {
  custom: {
    50: '#84d384',
    500: '#40bf50',
    950: '#000000',
  },
}

SCSS

$custom: #40bf50;
$custom-light: #84d384;
$custom-dark: #000000;

JSON

{
  "hex": "#40bf50",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 80
  },
  "hsl": {
    "h": 127.559,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.71108,
    "c": 0.18811,
    "h": 145.3
  },
  "luminance": 0.38931
}

Semantic roles & 50–950 ramp

primary

#40BF50

secondary

#CA91C3

accent

#4EC8D9

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0C140B

muted

#7D837C

Preview Lab

Preview with #40BF50

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

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