#40D551#40D551

#40D551 is a light, highly saturated green. Relative luminance 0.493; OKLCH L 76.8% C 0.214 H 144.8°. Best body text is #000000 at 10.85:1 contrast (WCAG AA passes).

Color values

HEX#40D551
RGBrgb(64, 213, 81)
HSLhsl(127, 64%, 54%)
HSVhsv(127, 70%, 84%)
CMYKcmyk(70%, 0%, 62%, 16.5%)
CIE-LABlab(75.62, -64.64, 52.76)
CIE-LCHlch(75.62, 83.44, 140.78°)
OKLaboklab(76.84% -0.1747 0.1233)
OKLCHoklch(76.84% 0.214 144.8)
XYZxyz(27.3920, 49.2696, 15.8494)
Luminance0.4927 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D551 #D540C4
analogous
#7AD540 #40D551 #40D59C
triadic
#40D551 #5140D5 #D55140
tetradic
#40D551 #407AD5 #D540C4 #D59C40
square
#40D551 #407AD5 #D540C4 #D59C40
split-complementary
#40D551 #9C40D5 #D5407A
monochromatic
#1C7F27 #27B137 #40D551 #72E07F #A4EBAC

Accessibility & contrast

On white

1.93
#40D551 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.85
#40D551 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D551
10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D551#FFFFFF#000000##000000
##40D5511.001.9310.8510.85
#FFFFFF1.931.0021.0021.00
#00000010.8521.001.001.00
##00000010.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9C242
Deuteranopia (green-blind)
#C7B65C
Tritanopia (blue-blind)
#00D0B9
Achromatopsia (no color)
#BABABA

Design tokens & code

CSS
--color: #40d551;
/* rgb */ color: rgb(64, 213, 81);
/* oklch */ color: oklch(76.8% 0.214 144.8);
Tailwind
colors: {
  custom: {
    50: '#89e387',
    500: '#40d551',
    950: '#000000',
  },
}
SCSS
$custom: #40d551;
$custom-light: #89e387;
$custom-dark: #000000;
JSON
{
  "hex": "#40d551",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 81
  },
  "hsl": {
    "h": 126.846,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76837,
    "c": 0.21389,
    "h": 144.8
  },
  "luminance": 0.49273
}

Semantic roles & 50–950 ramp

primary
#40D551
secondary
#D899D1
accent
#41D4E7
background
#F9FEF8
surface
#F1FCF0
border
#CBD5CB
text
#0D160B
muted
#7E847C

Preview Lab

Preview with #40D551

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

Preview Lab → · Contrast checker → · Palette generator →

#40D551 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva