#1FA73B#1FA73B

#1FA73B is a light, vivid green. Relative luminance 0.282; OKLCH L 63.7% C 0.185 H 145.7°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX#1FA73B
RGBrgb(31, 167, 59)
HSLhsl(132, 69%, 39%)
HSVhsv(132, 81%, 65%)
CMYKcmyk(81.4%, 0%, 64.7%, 34.5%)
CIE-LABlab(60.11, -56.82, 44.79)
CIE-LCHlch(60.11, 72.35, 141.75°)
OKLaboklab(63.74% -0.153 0.1043)
OKLCHoklch(63.74% 0.185 145.7)
XYZxyz(15.1721, 28.2426, 8.7886)
Luminance0.2824 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FA73B #A71F8B
analogous
#47A71F #1FA73B #1FA77F
triadic
#1FA73B #3B1FA7 #A73B1F
tetradic
#1FA73B #1F47A7 #A71F8B #A77F1F
square
#1FA73B #1F47A7 #A71F8B #A77F1F
split-complementary
#1FA73B #7F1FA7 #A71F47
monochromatic
#0C4017 #157329 #1FA73B #2BD84F #5FE17A

Accessibility & contrast

On white

3.16
#1FA73B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.65
#1FA73B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA73B
6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FA73B#FFFFFF#000000##000000
##1FA73B1.003.166.656.65
#FFFFFF3.161.0021.0021.00
#0000006.6521.001.001.00
##0000006.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#AA972E
Deuteranopia (green-blind)
#9B8D45
Tritanopia (blue-blind)
#00A390
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #1fa73b;
/* rgb */ color: rgb(31, 167, 59);
/* oklch */ color: oklch(63.7% 0.185 145.7);
Tailwind
colors: {
  custom: {
    50: '#74c275',
    500: '#1fa73b',
    950: '#000000',
  },
}
SCSS
$custom: #1fa73b;
$custom-light: #74c275;
$custom-dark: #000000;
JSON
{
  "hex": "#1fa73b",
  "rgb": {
    "r": 31,
    "g": 167,
    "b": 59
  },
  "hsl": {
    "h": 132.353,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.63735,
    "c": 0.18521,
    "h": 145.7
  },
  "luminance": 0.28245
}

Semantic roles & 50–950 ramp

primary
#1FA73B
secondary
#C65CB0
accent
#3CC7EC
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1309
muted
#7C827B

Preview Lab

Preview with #1FA73B

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

Preview Lab → · Contrast checker → · Palette generator →

#1FA73B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva