#1FB43F#1FB43F

#1FB43F is a light, vivid green. Relative luminance 0.333; OKLCH L 67.3% C 0.197 H 145.7°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX#1FB43F
RGBrgb(31, 180, 63)
HSLhsl(133, 71%, 41%)
HSVhsv(133, 83%, 71%)
CMYKcmyk(82.8%, 0%, 65%, 29.4%)
CIE-LABlab(64.40, -60.56, 47.81)
CIE-LCHlch(64.40, 77.16, 141.71°)
OKLaboklab(67.31% -0.1631 0.1112)
OKLCHoklch(67.31% 0.197 145.7)
XYZxyz(17.7822, 33.2905, 10.1902)
Luminance0.3329 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FB43F #B41F94
analogous
#4AB41F #1FB43F #1FB48A
triadic
#1FB43F #3F1FB4 #B43F1F
tetradic
#1FB43F #1F4AB4 #B41F94 #B48A1F
square
#1FB43F #1F4AB4 #B41F94 #B48A1F
split-complementary
#1FB43F #8A1FB4 #B41F4A
monochromatic
#0D4C1A #16802D #1FB43F #34DC58 #68E583

Accessibility & contrast

On white

2.74
#1FB43F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.66
#1FB43F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB43F
7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FB43F#FFFFFF#000000##000000
##1FB43F1.002.747.667.66
#FFFFFF2.741.0021.0021.00
#0000007.6621.001.001.00
##0000007.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7A331
Deuteranopia (green-blind)
#A7984A
Tritanopia (blue-blind)
#00AF9C
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #1fb43f;
/* rgb */ color: rgb(31, 180, 63);
/* oklch */ color: oklch(67.3% 0.197 145.7);
Tailwind
colors: {
  custom: {
    50: '#77cc79',
    500: '#1fb43f',
    950: '#000000',
  },
}
SCSS
$custom: #1fb43f;
$custom-light: #77cc79;
$custom-dark: #000000;
JSON
{
  "hex": "#1fb43f",
  "rgb": {
    "r": 31,
    "g": 180,
    "b": 63
  },
  "hsl": {
    "h": 132.886,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67311,
    "c": 0.19736,
    "h": 145.7
  },
  "luminance": 0.33293
}

Semantic roles & 50–950 ramp

primary
#1FB43F
secondary
#CB64B5
accent
#3AC7ED
background
#F8FCF7
surface
#EFF9EE
border
#CAD2C9
text
#0B1309
muted
#7C827B

Preview Lab

Preview with #1FB43F

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

Preview Lab → · Contrast checker → · Palette generator →

#1FB43F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva