#1FA631#1FA631

#1FA631 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.4% C 0.191 H 144.4°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX#1FA631
RGBrgb(31, 166, 49)
HSLhsl(128, 69%, 39%)
HSVhsv(128, 81%, 65%)
CMYKcmyk(81.3%, 0%, 70.5%, 34.9%)
CIE-LABlab(59.69, -57.54, 48.56)
CIE-LCHlch(59.69, 75.29, 139.84°)
OKLaboklab(63.36% -0.1554 0.1112)
OKLCHoklch(63.36% 0.191 144.4)
XYZxyz(14.7546, 27.7837, 7.4903)
Luminance0.2778 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FA631 #A61F94
analogous
#50A61F #1FA631 #1FA674
triadic
#1FA631 #311FA6 #A6311F
tetradic
#1FA631 #1F50A6 #A61F94 #A6741F
square
#1FA631 #1F50A6 #A61F94 #A6741F
split-complementary
#1FA631 #741FA6 #A61F50
monochromatic
#0C3F13 #157222 #1FA631 #2BD742 #5EE170

Accessibility & contrast

On white

3.20
#1FA631 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.56
#1FA631 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA631
6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FA631#FFFFFF#000000##000000
##1FA6311.003.206.566.56
#FFFFFF3.201.0021.0021.00
#0000006.5621.001.001.00
##0000006.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9961F
Deuteranopia (green-blind)
#9B8C3D
Tritanopia (blue-blind)
#00A18F
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #1fa631;
/* rgb */ color: rgb(31, 166, 49);
/* oklch */ color: oklch(63.4% 0.191 144.4);
Tailwind
colors: {
  custom: {
    50: '#75c270',
    500: '#1fa631',
    950: '#000000',
  },
}
SCSS
$custom: #1fa631;
$custom-light: #75c270;
$custom-dark: #000000;
JSON
{
  "hex": "#1fa631",
  "rgb": {
    "r": 31,
    "g": 166,
    "b": 49
  },
  "hsl": {
    "h": 128,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.63363,
    "c": 0.19108,
    "h": 144.4
  },
  "luminance": 0.27785
}

Semantic roles & 50–950 ramp

primary
#1FA631
secondary
#C55BB7
accent
#3CD4EB
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1208
muted
#7C817B

Preview Lab

Preview with #1FA631

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

Preview Lab → · Contrast checker → · Palette generator →

#1FA631 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva