#40C978#40C978

#40C978 is a light, vivid green. Relative luminance 0.442; OKLCH L 74.3% C 0.166 H 153.2°. Best body text is #000000 at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#40C978
RGB	rgb(64, 201, 120)
HSL	hsl(145, 56%, 52%)
HSV	hsv(145, 68%, 79%)
CMYK	cmyk(68.2%, 0%, 40.3%, 21.2%)
CIE-LAB	lab(72.37, -54.73, 30.05)
CIE-LCH	lch(72.37, 62.44, 151.23°)
OKLab	oklab(74.32% -0.1477 0.0747)
OKLCH	oklch(74.32% 0.166 153.2)
XYZ	xyz(26.3889, 44.2165, 24.9096)
Luminance	0.4422 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C978 #C94091

analogous

#4DC940 #40C978 #40C9BD

triadic

#40C978 #7840C9 #C97840

tetradic

#40C978 #404DC9 #C94091 #C9BD40

square

#40C978 #404DC9 #C94091 #C9BD40

split-complementary

#40C978 #BD40C9 #C9404D

monochromatic

#1F6F40 #2D9F5C #40C978 #70D69A #9FE4BB

Accessibility & contrast

On white

2.13

#40C978 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.84

#40C978 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C978

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C978	#FFFFFF	#000000	##000000
##40C978	1.00	2.13	9.84	9.84
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.84	21.00	1.00	1.00
##000000	9.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B972

Deuteranopia (green-blind)

#B8AD7D

Tritanopia (blue-blind)

#00C6B5

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #40c978;
/* rgb */ color: rgb(64, 201, 120);
/* oklch */ color: oklch(74.3% 0.166 153.2);

Tailwind

colors: {
  custom: {
    50: '#85daa0',
    500: '#40c978',
    950: '#000000',
  },
}

SCSS

$custom: #40c978;
$custom-light: #85daa0;
$custom-dark: #000000;

JSON

{
  "hex": "#40c978",
  "rgb": {
    "r": 64,
    "g": 201,
    "b": 120
  },
  "hsl": {
    "h": 144.526,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.74315,
    "c": 0.16552,
    "h": 153.2
  },
  "luminance": 0.44219
}

Semantic roles & 50–950 ramp

primary

#40C978

secondary

#D094B8

accent

#49A2DF

background

#F8FDF9

surface

#F0FBF2

border

#CBD4CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #40C978

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

Preview Lab → · Contrast checker → · Palette generator →