#40CC57#40CC57

#40CC57 is a light, vivid green. Relative luminance 0.450; OKLCH L 74.6% C 0.198 H 145.9°. Best body text is #000000 at 9.99:1 contrast (WCAG AA passes).

Color values

HEX#40CC57
RGBrgb(64, 204, 87)
HSLhsl(130, 58%, 53%)
HSVhsv(130, 69%, 80%)
CMYKcmyk(68.6%, 0%, 57.4%, 20%)
CIE-LABlab(72.87, -60.88, 46.91)
CIE-LCHlch(72.87, 76.85, 142.39°)
OKLaboklab(74.58% -0.1643 0.1112)
OKLCHoklch(74.58% 0.198 145.9)
XYZxyz(25.4258, 44.9611, 16.3534)
Luminance0.4496 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40CC57 #CC40B5
analogous
#6FCC40 #40CC57 #40CC9D
triadic
#40CC57 #5740CC #CC5740
tetradic
#40CC57 #406FCC #CC40B5 #CC9D40
square
#40CC57 #406FCC #CC40B5 #CC9D40
split-complementary
#40CC57 #9D40CC #CC406F
monochromatic
#1F732D #2CA33F #40CC57 #70D981 #A1E6AC

Accessibility & contrast

On white

2.10
#40CC57 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.99
#40CC57 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CC57
9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40CC57#FFFFFF#000000##000000
##40CC571.002.109.999.99
#FFFFFF2.101.0021.0021.00
#0000009.9921.001.001.00
##0000009.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFBA4B
Deuteranopia (green-blind)
#BEAE60
Tritanopia (blue-blind)
#03C7B2
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #40cc57;
/* rgb */ color: rgb(64, 204, 87);
/* oklch */ color: oklch(74.6% 0.198 145.9);
Tailwind
colors: {
  custom: {
    50: '#87dd8a',
    500: '#40cc57',
    950: '#000000',
  },
}
SCSS
$custom: #40cc57;
$custom-light: #87dd8a;
$custom-dark: #000000;
JSON
{
  "hex": "#40cc57",
  "rgb": {
    "r": 64,
    "g": 204,
    "b": 87
  },
  "hsl": {
    "h": 129.857,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.74578,
    "c": 0.19844,
    "h": 145.9
  },
  "luminance": 0.44964
}

Semantic roles & 50–950 ramp

primary
#40CC57
secondary
#D295C8
accent
#47C8E1
background
#F9FDF8
surface
#F1FBF0
border
#CBD4CB
text
#0D150C
muted
#7E837D

Preview Lab

Preview with #40CC57

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

Preview Lab → · Contrast checker → · Palette generator →

#40CC57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva