#40D555#40D555

#40D555 is a light, highly saturated green. Relative luminance 0.493; OKLCH L 76.9% C 0.211 H 145.3°. Best body text is #000000 at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#40D555
RGB	rgb(64, 213, 85)
HSL	hsl(128, 64%, 54%)
HSV	hsv(128, 70%, 84%)
CMYK	cmyk(70%, 0%, 60.1%, 16.5%)
CIE-LAB	lab(75.66, -64.19, 51.05)
CIE-LCH	lch(75.66, 82.01, 141.50°)
OKLab	oklab(76.88% -0.1734 0.12)
OKLCH	oklch(76.88% 0.211 145.3)
XYZ	xyz(27.5464, 49.3313, 16.6627)
Luminance	0.4933 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D555 #D540C0

analogous

#76D540 #40D555 #40D59F

triadic

#40D555 #5540D5 #D55540

tetradic

#40D555 #4076D5 #D540C0 #D59F40

square

#40D555 #4076D5 #D540C0 #D59F40

split-complementary

#40D555 #9F40D5 #D54076

monochromatic

#1C7F2A #27B13A #40D555 #72E082 #A4EBAE

Accessibility & contrast

On white

1.93

#40D555 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.87

#40D555 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D555

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D555	#FFFFFF	#000000	##000000
##40D555	1.00	1.93	10.87	10.87
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.87	21.00	1.00	1.00
##000000	10.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C247

Deuteranopia (green-blind)

#C7B660

Tritanopia (blue-blind)

#00D0B9

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d555;
/* rgb */ color: rgb(64, 213, 85);
/* oklch */ color: oklch(76.9% 0.211 145.3);

Tailwind

colors: {
  custom: {
    50: '#89e389',
    500: '#40d555',
    950: '#000000',
  },
}

SCSS

$custom: #40d555;
$custom-light: #89e389;
$custom-dark: #000000;

JSON

{
  "hex": "#40d555",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 85
  },
  "hsl": {
    "h": 128.456,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76882,
    "c": 0.21086,
    "h": 145.3
  },
  "luminance": 0.49334
}

Semantic roles & 50–950 ramp

primary

#40D555

secondary

#D899CF

accent

#41D0E7

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160C

muted

#7E847D

Preview Lab

Preview with #40D555

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

Preview Lab → · Contrast checker → · Palette generator →