#40CC5B#40CC5B

#40CC5B is a light, vivid green. Relative luminance 0.450; OKLCH L 74.6% C 0.195 H 146.5°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#40CC5B
RGB	rgb(64, 204, 91)
HSL	hsl(132, 58%, 53%)
HSV	hsv(132, 69%, 80%)
CMYK	cmyk(68.6%, 0%, 55.4%, 20%)
CIE-LAB	lab(72.91, -60.36, 45.10)
CIE-LCH	lch(72.91, 75.35, 143.23°)
OKLab	oklab(74.63% -0.1628 0.1076)
OKLCH	oklch(74.63% 0.195 146.5)
XYZ	xyz(25.5937, 45.0283, 17.2380)
Luminance	0.4503 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CC5B #CC40B1

analogous

#6BCC40 #40CC5B #40CCA1

triadic

#40CC5B #5B40CC #CC5B40

tetradic

#40CC5B #406BCC #CC40B1 #CCA140

square

#40CC5B #406BCC #CC40B1 #CCA140

split-complementary

#40CC5B #A140CC #CC406B

monochromatic

#1F732F #2CA343 #40CC5B #70D984 #A1E6AE

Accessibility & contrast

On white

2.10

#40CC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.01

#40CC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CC5B

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CC5B	#FFFFFF	#000000	##000000
##40CC5B	1.00	2.10	10.01	10.01
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.01	21.00	1.00	1.00
##000000	10.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBA50

Deuteranopia (green-blind)

#BEAE64

Tritanopia (blue-blind)

#00C7B3

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #40cc5b;
/* rgb */ color: rgb(64, 204, 91);
/* oklch */ color: oklch(74.6% 0.195 146.5);

Tailwind

colors: {
  custom: {
    50: '#87dd8c',
    500: '#40cc5b',
    950: '#000000',
  },
}

SCSS

$custom: #40cc5b;
$custom-light: #87dd8c;
$custom-dark: #000000;

JSON

{
  "hex": "#40cc5b",
  "rgb": {
    "r": 64,
    "g": 204,
    "b": 91
  },
  "hsl": {
    "h": 131.571,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.74629,
    "c": 0.19516,
    "h": 146.5
  },
  "luminance": 0.45031
}

Semantic roles & 50–950 ramp

primary

#40CC5B

secondary

#D295C7

accent

#47C3E1

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150C

muted

#7D837D

Preview Lab

Preview with #40CC5B

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

Preview Lab → · Contrast checker → · Palette generator →