#40CB78#40CB78

#40CB78 is a light, vivid green. Relative luminance 0.452; OKLCH L 74.8% C 0.168 H 152.9°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#40CB78
RGB	rgb(64, 203, 120)
HSL	hsl(144, 57%, 52%)
HSV	hsv(144, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 40.9%, 20.4%)
CIE-LAB	lab(72.99, -55.49, 30.86)
CIE-LCH	lch(72.99, 63.49, 150.92°)
OKLab	oklab(74.83% -0.1497 0.0766)
OKLCH	oklch(74.83% 0.168 152.9)
XYZ	xyz(26.8581, 45.1550, 25.0660)
Luminance	0.4516 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB78 #CB4093

analogous

#4DCB40 #40CB78 #40CBBE

triadic

#40CB78 #7840CB #CB7840

tetradic

#40CB78 #404DCB #CB4093 #CBBE40

square

#40CB78 #404DCB #CB4093 #CBBE40

split-complementary

#40CB78 #BE40CB #CB404D

monochromatic

#1F7240 #2CA25B #40CB78 #70D89A #A0E5BC

Accessibility & contrast

On white

2.09

#40CB78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#40CB78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB78

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB78	#FFFFFF	#000000	##000000
##40CB78	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBBB72

Deuteranopia (green-blind)

#BAAE7E

Tritanopia (blue-blind)

#00C8B6

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #40cb78;
/* rgb */ color: rgb(64, 203, 120);
/* oklch */ color: oklch(74.8% 0.168 152.9);

Tailwind

colors: {
  custom: {
    50: '#86dca0',
    500: '#40cb78',
    950: '#000000',
  },
}

SCSS

$custom: #40cb78;
$custom-light: #86dca0;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb78",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 120
  },
  "hsl": {
    "h": 144.173,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74827,
    "c": 0.16816,
    "h": 152.9
  },
  "luminance": 0.45158
}

Semantic roles & 50–950 ramp

primary

#40CB78

secondary

#D295B9

accent

#47A3E0

background

#F8FDF9

surface

#F0FBF2

border

#CBD4CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #40CB78

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

Preview Lab → · Contrast checker → · Palette generator →