#40D57F#40D57F

#40D57F is a light, vivid green. Relative luminance 0.502; OKLCH L 77.5% C 0.175 H 153.4°. Best body text is #000000 at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#40D57F
RGB	rgb(64, 213, 127)
HSL	hsl(145, 64%, 54%)
HSV	hsv(145, 70%, 84%)
CMYK	cmyk(70%, 0%, 40.4%, 16.5%)
CIE-LAB	lab(76.20, -57.96, 31.48)
CIE-LCH	lch(76.20, 65.96, 151.50°)
OKLab	oklab(77.5% -0.1563 0.0782)
OKLCH	oklch(77.5% 0.175 153.4)
XYZ	xyz(29.7367, 50.2075, 28.1984)
Luminance	0.5021 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D57F #D54096

analogous

#4CD540 #40D57F #40D5C9

triadic

#40D57F #7F40D5 #D57F40

tetradic

#40D57F #404CD5 #D54096 #D5C940

square

#40D57F #404CD5 #D54096 #D5C940

split-complementary

#40D57F #C940D5 #D5404C

monochromatic

#1C7F46 #27B161 #40D57F #72E0A1 #A4EBC2

Accessibility & contrast

On white

1.90

#40D57F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.04

#40D57F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D57F

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D57F	#FFFFFF	#000000	##000000
##40D57F	1.00	1.90	11.04	11.04
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.04	21.00	1.00	1.00
##000000	11.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C479

Deuteranopia (green-blind)

#C3B785

Tritanopia (blue-blind)

#00D2C0

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40d57f;
/* rgb */ color: rgb(64, 213, 127);
/* oklch */ color: oklch(77.5% 0.175 153.4);

Tailwind

colors: {
  custom: {
    50: '#87e3a5',
    500: '#40d57f',
    950: '#000000',
  },
}

SCSS

$custom: #40d57f;
$custom-light: #87e3a5;
$custom-dark: #000000;

JSON

{
  "hex": "#40d57f",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 127
  },
  "hsl": {
    "h": 145.369,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77503,
    "c": 0.17482,
    "h": 153.4
  },
  "luminance": 0.50211
}

Semantic roles & 50–950 ramp

primary

#40D57F

secondary

#863363

accent

#41A1E7

background

#FCFEFC

surface

#F4FCF6

border

#CED5D0

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #40D57F

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

Preview Lab → · Contrast checker → · Palette generator →