#40D974#40D974

#40D974 is a light, vivid green. Relative luminance 0.520; OKLCH L 78.3% C 0.190 H 150.4°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#40D974
RGB	rgb(64, 217, 116)
HSL	hsl(140, 67%, 55%)
HSV	hsv(140, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 46.5%, 14.9%)
CIE-LAB	lab(77.26, -61.28, 38.39)
CIE-LCH	lch(77.26, 72.31, 147.94°)
OKLab	oklab(78.33% -0.165 0.0939)
OKLCH	oklch(78.33% 0.19 150.4)
XYZ	xyz(30.0771, 51.9733, 24.9663)
Luminance	0.5198 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D974 #D940A5

analogous

#59D940 #40D974 #40D9C0

triadic

#40D974 #7440D9 #D97440

tetradic

#40D974 #4059D9 #D940A5 #D9C040

square

#40D974 #4059D9 #D940A5 #D9C040

split-complementary

#40D974 #C040D9 #D94059

monochromatic

#1A843E #24B756 #40D974 #73E399 #A6EDBE

Accessibility & contrast

On white

1.84

#40D974 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#40D974 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D974

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D974	#FFFFFF	#000000	##000000
##40D974	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC76C

Deuteranopia (green-blind)

#C8BA7B

Tritanopia (blue-blind)

#00D5C1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d974;
/* rgb */ color: rgb(64, 217, 116);
/* oklch */ color: oklch(78.3% 0.190 150.4);

Tailwind

colors: {
  custom: {
    50: '#88e69d',
    500: '#40d974',
    950: '#000000',
  },
}

SCSS

$custom: #40d974;
$custom-light: #88e69d;
$custom-dark: #000000;

JSON

{
  "hex": "#40d974",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 116
  },
  "hsl": {
    "h": 140.392,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.78331,
    "c": 0.1898,
    "h": 150.4
  },
  "luminance": 0.51977
}

Semantic roles & 50–950 ramp

primary

#40D974

secondary

#8B326D

accent

#3EAFEA

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160E

muted

#7F847F

Preview Lab

Preview with #40D974

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

Preview Lab → · Contrast checker → · Palette generator →