#40CA19#40CA19

#40CA19 is a light, highly saturated green. Relative luminance 0.434; OKLCH L 73.6% C 0.232 H 140.5°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX#40CA19
RGBrgb(64, 202, 25)
HSLhsl(107, 78%, 45%)
HSVhsv(107, 88%, 79%)
CMYKcmyk(68.3%, 0%, 87.6%, 20.8%)
CIE-LABlab(71.82, -65.14, 67.44)
CIE-LCHlch(71.82, 93.76, 134.01°)
OKLaboklab(73.58% -0.1786 0.1474)
OKLCHoklch(73.58% 0.232 140.5)
XYZxyz(23.4092, 43.3988, 8.0626)
Luminance0.4340 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40CA19 #A319CA
analogous
#98CA19 #40CA19 #19CA4B
triadic
#40CA19 #1940CA #CA1940
tetradic
#40CA19 #1998CA #A319CA #CA4B19
square
#40CA19 #1998CA #A319CA #CA4B19
split-complementary
#40CA19 #4B19CA #CA1998
monochromatic
#1D5D0C #2F9412 #40CA19 #60E73A #8CED70

Accessibility & contrast

On white

2.17
#40CA19 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.68
#40CA19 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CA19
9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40CA19#FFFFFF#000000##000000
##40CA191.002.179.689.68
#FFFFFF2.171.0021.0021.00
#0000009.6821.001.001.00
##0000009.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0B700
Deuteranopia (green-blind)
#C0AC34
Tritanopia (blue-blind)
#24C3AC
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #40ca19;
/* rgb */ color: rgb(64, 202, 25);
/* oklch */ color: oklch(73.6% 0.232 140.5);
Tailwind
colors: {
  custom: {
    50: '#89db6b',
    500: '#40ca19',
    950: '#000000',
  },
}
SCSS
$custom: #40ca19;
$custom-light: #89db6b;
$custom-dark: #000000;
JSON
{
  "hex": "#40ca19",
  "rgb": {
    "r": 64,
    "g": 202,
    "b": 25
  },
  "hsl": {
    "h": 106.78,
    "s": 77.974,
    "l": 44.51
  },
  "oklch": {
    "l": 0.73583,
    "c": 0.23151,
    "h": 140.5
  },
  "luminance": 0.43401
}

Semantic roles & 50–950 ramp

primary
#40CA19
secondary
#BD6BD4
accent
#33F4CA
background
#F9FDF6
surface
#F1FBEC
border
#CBD4C7
text
#0D1508
muted
#7E837A

Preview Lab

Preview with #40CA19

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

Preview Lab → · Contrast checker → · Palette generator →

#40CA19 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva