#40CB54#40CB54

#40CB54 is a light, vivid green. Relative luminance 0.444; OKLCH L 74.3% C 0.200 H 145.5°. Best body text is #000000 at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#40CB54
RGB	rgb(64, 203, 84)
HSL	hsl(129, 57%, 52%)
HSV	hsv(129, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 58.6%, 20.4%)
CIE-LAB	lab(72.52, -60.90, 47.88)
CIE-LCH	lch(72.52, 77.47, 141.83°)
OKLab	oklab(74.28% -0.1645 0.1131)
OKLCH	oklch(74.28% 0.2 145.5)
XYZ	xyz(25.0688, 44.4393, 15.6423)
Luminance	0.4444 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB54 #CB40B7

analogous

#72CB40 #40CB54 #40CB9A

triadic

#40CB54 #5440CB #CB5440

tetradic

#40CB54 #4072CB #CB40B7 #CB9A40

square

#40CB54 #4072CB #CB40B7 #CB9A40

split-complementary

#40CB54 #9A40CB #CB4072

monochromatic

#1F722B #2CA23D #40CB54 #70D87F #A0E5AA

Accessibility & contrast

On white

2.12

#40CB54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.89

#40CB54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB54

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB54	#FFFFFF	#000000	##000000
##40CB54	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)

#CEB948

Deuteranopia (green-blind)

#BEAD5E

Tritanopia (blue-blind)

#09C6B1

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #40cb54;
/* rgb */ color: rgb(64, 203, 84);
/* oklch */ color: oklch(74.3% 0.200 145.5);

Tailwind

colors: {
  custom: {
    50: '#87dc88',
    500: '#40cb54',
    950: '#000000',
  },
}

SCSS

$custom: #40cb54;
$custom-light: #87dc88;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb54",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 84
  },
  "hsl": {
    "h": 128.633,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74282,
    "c": 0.19964,
    "h": 145.5
  },
  "luminance": 0.44442
}

Semantic roles & 50–950 ramp

primary

#40CB54

secondary

#D295C9

accent

#47CAE0

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #40CB54

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

Preview Lab → · Contrast checker → · Palette generator →