#1FB43D#1FB43D

#1FB43D is a light, vivid green. Relative luminance 0.333; OKLCH L 67.3% C 0.199 H 145.5°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX#1FB43D
RGBrgb(31, 180, 61)
HSLhsl(132, 71%, 41%)
HSVhsv(132, 83%, 71%)
CMYKcmyk(82.8%, 0%, 66.1%, 29.4%)
CIE-LABlab(64.38, -60.78, 48.65)
CIE-LCHlch(64.38, 77.85, 141.33°)
OKLaboklab(67.29% -0.1637 0.1127)
OKLCHoklch(67.29% 0.199 145.5)
XYZxyz(17.7273, 33.2685, 9.9011)
Luminance0.3327 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FB43D #B41F96
analogous
#4BB41F #1FB43D #1FB488
triadic
#1FB43D #3D1FB4 #B43D1F
tetradic
#1FB43D #1F4BB4 #B41F96 #B4881F
square
#1FB43D #1F4BB4 #B41F96 #B4881F
split-complementary
#1FB43D #881FB4 #B41F4B
monochromatic
#0D4C1A #16802B #1FB43D #34DC56 #68E581

Accessibility & contrast

On white

2.74
#1FB43D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.65
#1FB43D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB43D
7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FB43D#FFFFFF#000000##000000
##1FB43D1.002.747.657.65
#FFFFFF2.741.0021.0021.00
#0000007.6521.001.001.00
##0000007.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7A32E
Deuteranopia (green-blind)
#A79848
Tritanopia (blue-blind)
#00AF9B
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #1fb43d;
/* rgb */ color: rgb(31, 180, 61);
/* oklch */ color: oklch(67.3% 0.199 145.5);
Tailwind
colors: {
  custom: {
    50: '#78cc78',
    500: '#1fb43d',
    950: '#000000',
  },
}
SCSS
$custom: #1fb43d;
$custom-light: #78cc78;
$custom-dark: #000000;
JSON
{
  "hex": "#1fb43d",
  "rgb": {
    "r": 31,
    "g": 180,
    "b": 61
  },
  "hsl": {
    "h": 132.081,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6729,
    "c": 0.19879,
    "h": 145.5
  },
  "luminance": 0.33271
}

Semantic roles & 50–950 ramp

primary
#1FB43D
secondary
#CB64B6
accent
#3AC9ED
background
#F8FCF7
surface
#EFF9ED
border
#CAD2C8
text
#0B1309
muted
#7C827B

Preview Lab

Preview with #1FB43D

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

Preview Lab → · Contrast checker → · Palette generator →

#1FB43D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva