#1FA431#1FA431

#1FA431 is a light, vivid green. Relative luminance 0.271; OKLCH L 62.8% C 0.189 H 144.5°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX#1FA431
RGBrgb(31, 164, 49)
HSLhsl(128, 68%, 38%)
HSVhsv(128, 81%, 64%)
CMYKcmyk(81.1%, 0%, 70.1%, 35.7%)
CIE-LABlab(59.03, -56.90, 47.86)
CIE-LCHlch(59.03, 74.35, 139.93°)
OKLaboklab(62.81% -0.1537 0.1097)
OKLCHoklch(62.81% 0.189 144.5)
XYZxyz(14.3939, 27.0622, 7.3701)
Luminance0.2706 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FA431 #A41F92
analogous
#50A41F #1FA431 #1FA473
triadic
#1FA431 #311FA4 #A4311F
tetradic
#1FA431 #1F50A4 #A41F92 #A4731F
square
#1FA431 #1F50A4 #A41F92 #A4731F
split-complementary
#1FA431 #731FA4 #A41F50
monochromatic
#0C3D12 #157122 #1FA431 #2AD741 #5DE06F

Accessibility & contrast

On white

3.27
#1FA431 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.41
#1FA431 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA431
6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FA431#FFFFFF#000000##000000
##1FA4311.003.276.416.41
#FFFFFF3.271.0021.0021.00
#0000006.4121.001.001.00
##0000006.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#A79420
Deuteranopia (green-blind)
#998A3C
Tritanopia (blue-blind)
#009F8D
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #1fa431;
/* rgb */ color: rgb(31, 164, 49);
/* oklch */ color: oklch(62.8% 0.189 144.5);
Tailwind
colors: {
  custom: {
    50: '#74c06f',
    500: '#1fa431',
    950: '#000000',
  },
}
SCSS
$custom: #1fa431;
$custom-light: #74c06f;
$custom-dark: #000000;
JSON
{
  "hex": "#1fa431",
  "rgb": {
    "r": 31,
    "g": 164,
    "b": 49
  },
  "hsl": {
    "h": 128.12,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.62814,
    "c": 0.18881,
    "h": 144.5
  },
  "luminance": 0.27064
}

Semantic roles & 50–950 ramp

primary
#1FA431
secondary
#C55AB6
accent
#3DD3EB
background
#F7FCF6
surface
#EEF8EC
border
#C9D1C7
text
#0A1208
muted
#7C817B

Preview Lab

Preview with #1FA431

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

Preview Lab → · Contrast checker → · Palette generator →

#1FA431 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva