#40CB5B#40CB5B

#40CB5B is a light, vivid green. Relative luminance 0.446; OKLCH L 74.4% C 0.194 H 146.6°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#40CB5B
RGB	rgb(64, 203, 91)
HSL	hsl(132, 57%, 52%)
HSV	hsv(132, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 55.2%, 20.4%)
CIE-LAB	lab(72.60, -60.01, 44.73)
CIE-LCH	lch(72.60, 74.84, 143.30°)
OKLab	oklab(74.37% -0.1619 0.1068)
OKLCH	oklch(74.37% 0.194 146.6)
XYZ	xyz(25.3568, 44.5544, 17.1590)
Luminance	0.4456 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB5B #CB40B0

analogous

#6ACB40 #40CB5B #40CBA1

triadic

#40CB5B #5B40CB #CB5B40

tetradic

#40CB5B #406ACB #CB40B0 #CBA140

square

#40CB5B #406ACB #CB40B0 #CBA140

split-complementary

#40CB5B #A140CB #CB406A

monochromatic

#1F722F #2CA243 #40CB5B #70D884 #A0E5AE

Accessibility & contrast

On white

2.12

#40CB5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.91

#40CB5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB5B

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB5B	#FFFFFF	#000000	##000000
##40CB5B	1.00	2.12	9.91	9.91
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.91	21.00	1.00	1.00
##000000	9.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB950

Deuteranopia (green-blind)

#BDAE64

Tritanopia (blue-blind)

#00C6B2

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #40cb5b;
/* rgb */ color: rgb(64, 203, 91);
/* oklch */ color: oklch(74.4% 0.194 146.6);

Tailwind

colors: {
  custom: {
    50: '#86dc8c',
    500: '#40cb5b',
    950: '#000000',
  },
}

SCSS

$custom: #40cb5b;
$custom-light: #86dc8c;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb5b",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 91
  },
  "hsl": {
    "h": 131.655,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.7437,
    "c": 0.19391,
    "h": 146.6
  },
  "luminance": 0.44557
}

Semantic roles & 50–950 ramp

primary

#40CB5B

secondary

#D295C6

accent

#47C3E0

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150C

muted

#7D837D

Preview Lab

Preview with #40CB5B

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

Preview Lab → · Contrast checker → · Palette generator →