#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
RGBrgb(64, 213, 85)
HSLhsl(128, 64%, 54%)
HSVhsv(128, 70%, 84%)
CMYKcmyk(70%, 0%, 60.1%, 16.5%)
CIE-LABlab(75.66, -64.19, 51.05)
CIE-LCHlch(75.66, 82.01, 141.50°)
OKLaboklab(76.88% -0.1734 0.12)
OKLCHoklch(76.88% 0.211 145.3)
XYZxyz(27.5464, 49.3313, 16.6627)
Luminance0.4933 (WCAG relative)
Temperatureneutral
Familygreen

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
##40D5551.001.9310.8710.87
#FFFFFF1.931.0021.0021.00
#00000010.8721.001.001.00
##00000010.8721.001.001.00

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 →

#40D555 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva