#40CB55#40CB55

#40CB55 is a light, vivid green. Relative luminance 0.445; OKLCH L 74.3% C 0.199 H 145.6°. Best body text is #000000 at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#40CB55
RGB	rgb(64, 203, 85)
HSL	hsl(129, 57%, 52%)
HSV	hsv(129, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 58.1%, 20.4%)
CIE-LAB	lab(72.53, -60.78, 47.43)
CIE-LCH	lch(72.53, 77.10, 142.03°)
OKLab	oklab(74.29% -0.1641 0.1122)
OKLCH	oklch(74.29% 0.199 145.6)
XYZ	xyz(25.1083, 44.4550, 15.8500)
Luminance	0.4446 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB55 #CB40B6

analogous

#70CB40 #40CB55 #40CB9B

triadic

#40CB55 #5540CB #CB5540

tetradic

#40CB55 #4070CB #CB40B6 #CB9B40

square

#40CB55 #4070CB #CB40B6 #CB9B40

split-complementary

#40CB55 #9B40CB #CB4070

monochromatic

#1F722B #2CA23E #40CB55 #70D880 #A0E5AB

Accessibility & contrast

On white

2.12

#40CB55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.89

#40CB55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB55

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB55	#FFFFFF	#000000	##000000
##40CB55	1.00	2.12	9.89	9.89
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.89	21.00	1.00	1.00
##000000	9.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB949

Deuteranopia (green-blind)

#BEAD5E

Tritanopia (blue-blind)

#08C6B1

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #40cb55;
/* rgb */ color: rgb(64, 203, 85);
/* oklch */ color: oklch(74.3% 0.199 145.6);

Tailwind

colors: {
  custom: {
    50: '#87dc88',
    500: '#40cb55',
    950: '#000000',
  },
}

SCSS

$custom: #40cb55;
$custom-light: #87dc88;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb55",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 85
  },
  "hsl": {
    "h": 129.065,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74294,
    "c": 0.19884,
    "h": 145.6
  },
  "luminance": 0.44458
}

Semantic roles & 50–950 ramp

primary

#40CB55

secondary

#D295C9

accent

#47C9E0

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #40CB55

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

Preview Lab → · Contrast checker → · Palette generator →