#1FA837#1FA837

#1FA837 is a light, vivid green. Relative luminance 0.286; OKLCH L 64.0% C 0.189 H 145.1°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX#1FA837
RGBrgb(31, 168, 55)
HSLhsl(131, 69%, 39%)
HSVhsv(131, 82%, 66%)
CMYKcmyk(81.5%, 0%, 67.3%, 34.1%)
CIE-LABlab(60.40, -57.58, 46.84)
CIE-LCHlch(60.40, 74.23, 140.87°)
OKLaboklab(63.97% -0.1553 0.1083)
OKLCHoklch(63.97% 0.189 145.1)
XYZxyz(15.2562, 28.5705, 8.3243)
Luminance0.2857 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FA837 #A81F90
analogous
#4CA81F #1FA837 #1FA87C
triadic
#1FA837 #371FA8 #A8371F
tetradic
#1FA837 #1F4CA8 #A81F90 #A87C1F
square
#1FA837 #1F4CA8 #A81F90 #A87C1F
split-complementary
#1FA837 #7C1FA8 #A81F4C
monochromatic
#0C4115 #157426 #1FA837 #2CD84A #60E277

Accessibility & contrast

On white

3.13
#1FA837 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.71
#1FA837 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA837
6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FA837#FFFFFF#000000##000000
##1FA8371.003.136.716.71
#FFFFFF3.131.0021.0021.00
#0000006.7121.001.001.00
##0000006.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#AB9828
Deuteranopia (green-blind)
#9C8E42
Tritanopia (blue-blind)
#00A491
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #1fa837;
/* rgb */ color: rgb(31, 168, 55);
/* oklch */ color: oklch(64.0% 0.189 145.1);
Tailwind
colors: {
  custom: {
    50: '#75c373',
    500: '#1fa837',
    950: '#000000',
  },
}
SCSS
$custom: #1fa837;
$custom-light: #75c373;
$custom-dark: #000000;
JSON
{
  "hex": "#1fa837",
  "rgb": {
    "r": 31,
    "g": 168,
    "b": 55
  },
  "hsl": {
    "h": 130.511,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.63967,
    "c": 0.18928,
    "h": 145.1
  },
  "luminance": 0.28572
}

Semantic roles & 50–950 ramp

primary
#1FA837
secondary
#C65DB4
accent
#3CCDEC
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1308
muted
#7C827B

Preview Lab

Preview with #1FA837

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

Preview Lab → · Contrast checker → · Palette generator →

#1FA837 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva