#40CB63#40CB63

#40CB63 is a light, vivid green. Relative luminance 0.447; OKLCH L 74.5% C 0.187 H 148.0°. Best body text is #000000 at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#40CB63
RGB	rgb(64, 203, 99)
HSL	hsl(135, 57%, 52%)
HSV	hsv(135, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 51.2%, 20.4%)
CIE-LAB	lab(72.69, -58.89, 41.01)
CIE-LCH	lch(72.69, 71.77, 145.15°)
OKLab	oklab(74.48% -0.1587 0.099)
OKLCH	oklch(74.48% 0.187 148)
XYZ	xyz(25.7205, 44.6999, 19.0744)
Luminance	0.4470 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB63 #CB40A8

analogous

#62CB40 #40CB63 #40CBA9

triadic

#40CB63 #6340CB #CB6340

tetradic

#40CB63 #4062CB #CB40A8 #CBA940

square

#40CB63 #4062CB #CB40A8 #CBA940

split-complementary

#40CB63 #A940CB #CB4062

monochromatic

#1F7234 #2CA24A #40CB63 #70D88A #A0E5B2

Accessibility & contrast

On white

2.11

#40CB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.94

#40CB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB63

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB63	#FFFFFF	#000000	##000000
##40CB63	1.00	2.11	9.94	9.94
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.94	21.00	1.00	1.00
##000000	9.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB95A

Deuteranopia (green-blind)

#BCAE6B

Tritanopia (blue-blind)

#00C7B3

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #40cb63;
/* rgb */ color: rgb(64, 203, 99);
/* oklch */ color: oklch(74.5% 0.187 148.0);

Tailwind

colors: {
  custom: {
    50: '#86dc91',
    500: '#40cb63',
    950: '#000000',
  },
}

SCSS

$custom: #40cb63;
$custom-light: #86dc91;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb63",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 99
  },
  "hsl": {
    "h": 135.108,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74481,
    "c": 0.18706,
    "h": 148
  },
  "luminance": 0.44703
}

Semantic roles & 50–950 ramp

primary

#40CB63

secondary

#D295C2

accent

#47BAE0

background

#F8FDF9

surface

#F0FBF1

border

#CBD4CB

text

#0D150D

muted

#7D837E

Preview Lab

Preview with #40CB63

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

Preview Lab → · Contrast checker → · Palette generator →