#1FB243#1FB243

#1FB243 is a light, vivid green. Relative luminance 0.325; OKLCH L 66.8% C 0.192 H 146.4°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX#1FB243
RGBrgb(31, 178, 67)
HSLhsl(135, 70%, 41%)
HSVhsv(135, 83%, 70%)
CMYKcmyk(82.6%, 0%, 62.4%, 30.2%)
CIE-LABlab(63.78, -59.46, 45.36)
CIE-LCHlch(63.78, 74.78, 142.66°)
OKLaboklab(66.81% -0.1599 0.1063)
OKLCHoklch(66.81% 0.192 146.4)
XYZxyz(17.4973, 32.5352, 10.6668)
Luminance0.3254 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FB243 #B21F8E
analogous
#44B21F #1FB243 #1FB28C
triadic
#1FB243 #431FB2 #B2431F
tetradic
#1FB243 #1F44B2 #B21F8E #B28C1F
square
#1FB243 #1F44B2 #B21F8E #B28C1F
split-complementary
#1FB243 #8C1FB2 #B21F44
monochromatic
#0D4A1C #167E2F #1FB243 #33DB5C #67E586

Accessibility & contrast

On white

2.80
#1FB243 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.51
#1FB243 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB243
7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FB243#FFFFFF#000000##000000
##1FB2431.002.807.517.51
#FFFFFF2.801.0021.0021.00
#0000007.5121.001.001.00
##0000007.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B4A137
Deuteranopia (green-blind)
#A5964D
Tritanopia (blue-blind)
#00AE9A
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #1fb243;
/* rgb */ color: rgb(31, 178, 67);
/* oklch */ color: oklch(66.8% 0.192 146.4);
Tailwind
colors: {
  custom: {
    50: '#77ca7b',
    500: '#1fb243',
    950: '#000000',
  },
}
SCSS
$custom: #1fb243;
$custom-light: #77ca7b;
$custom-dark: #000000;
JSON
{
  "hex": "#1fb243",
  "rgb": {
    "r": 31,
    "g": 178,
    "b": 67
  },
  "hsl": {
    "h": 134.694,
    "s": 70.335,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66813,
    "c": 0.19205,
    "h": 146.4
  },
  "luminance": 0.32537
}

Semantic roles & 50–950 ramp

primary
#1FB243
secondary
#CA63B1
accent
#3BC1ED
background
#F8FCF7
surface
#EFF9EE
border
#CAD2C9
text
#0A130A
muted
#7C827C

Preview Lab

Preview with #1FB243

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

Preview Lab → · Contrast checker → · Palette generator →

#1FB243 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva