#40D57E#40D57E

#40D57E is a light, vivid green. Relative luminance 0.502; OKLCH L 77.5% C 0.176 H 153.2°. Best body text is #000000 at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#40D57E
RGB	rgb(64, 213, 126)
HSL	hsl(145, 64%, 54%)
HSV	hsv(145, 70%, 84%)
CMYK	cmyk(70%, 0%, 40.8%, 16.5%)
CIE-LAB	lab(76.18, -58.14, 31.97)
CIE-LCH	lch(76.18, 66.35, 151.20°)
OKLab	oklab(77.49% -0.1568 0.0793)
OKLCH	oklch(77.49% 0.176 153.2)
XYZ	xyz(29.6719, 50.1815, 27.8569)
Luminance	0.5019 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D57E #D54097

analogous

#4DD540 #40D57E #40D5C8

triadic

#40D57E #7E40D5 #D57E40

tetradic

#40D57E #404DD5 #D54097 #D5C840

square

#40D57E #404DD5 #D54097 #D5C840

split-complementary

#40D57E #C840D5 #D5404D

monochromatic

#1C7F45 #27B160 #40D57E #72E0A0 #A4EBC2

Accessibility & contrast

On white

1.90

#40D57E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.04

#40D57E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D57E

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D57E	#FFFFFF	#000000	##000000
##40D57E	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)

#D5C478

Deuteranopia (green-blind)

#C3B784

Tritanopia (blue-blind)

#00D2BF

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40d57e;
/* rgb */ color: rgb(64, 213, 126);
/* oklch */ color: oklch(77.5% 0.176 153.2);

Tailwind

colors: {
  custom: {
    50: '#87e3a4',
    500: '#40d57e',
    950: '#000000',
  },
}

SCSS

$custom: #40d57e;
$custom-light: #87e3a4;
$custom-dark: #000000;

JSON

{
  "hex": "#40d57e",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 126
  },
  "hsl": {
    "h": 144.966,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77485,
    "c": 0.17572,
    "h": 153.2
  },
  "luminance": 0.50185
}

Semantic roles & 50–950 ramp

primary

#40D57E

secondary

#863364

accent

#41A2E7

background

#FCFEFC

surface

#F4FCF6

border

#CED5D0

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #40D57E

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

Preview Lab → · Contrast checker → · Palette generator →