#1FA643#1FA643

#1FA643 is a light, vivid green. Relative luminance 0.280; OKLCH L 63.6% C 0.178 H 147.1°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX#1FA643
RGBrgb(31, 166, 67)
HSLhsl(136, 69%, 39%)
HSVhsv(136, 81%, 65%)
CMYKcmyk(81.3%, 0%, 59.6%, 34.9%)
CIE-LABlab(59.86, -55.50, 40.84)
CIE-LCHlch(59.86, 68.91, 143.65°)
OKLaboklab(63.55% -0.1492 0.0966)
OKLCHoklch(63.55% 0.178 147.1)
XYZxyz(15.2132, 27.9671, 9.9055)
Luminance0.2797 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FA643 #A61F82
analogous
#3EA61F #1FA643 #1FA686
triadic
#1FA643 #431FA6 #A6431F
tetradic
#1FA643 #1F3EA6 #A61F82 #A6861F
square
#1FA643 #1F3EA6 #A61F82 #A6861F
split-complementary
#1FA643 #861FA6 #A61F3E
monochromatic
#0C3F19 #15722E #1FA643 #2BD759 #5EE181

Accessibility & contrast

On white

3.18
#1FA643 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.59
#1FA643 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA643
6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FA643#FFFFFF#000000##000000
##1FA6431.003.186.596.59
#FFFFFF3.181.0021.0021.00
#0000006.5921.001.001.00
##0000006.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A89639
Deuteranopia (green-blind)
#998C4B
Tritanopia (blue-blind)
#00A290
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #1fa643;
/* rgb */ color: rgb(31, 166, 67);
/* oklch */ color: oklch(63.6% 0.178 147.1);
Tailwind
colors: {
  custom: {
    50: '#74c27a',
    500: '#1fa643',
    950: '#000000',
  },
}
SCSS
$custom: #1fa643;
$custom-light: #74c27a;
$custom-dark: #000000;
JSON
{
  "hex": "#1fa643",
  "rgb": {
    "r": 31,
    "g": 166,
    "b": 67
  },
  "hsl": {
    "h": 136,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.63555,
    "c": 0.17775,
    "h": 147.1
  },
  "luminance": 0.27969
}

Semantic roles & 50–950 ramp

primary
#1FA643
secondary
#C55BA9
accent
#3CBDEB
background
#F7FCF7
surface
#EEF8EE
border
#C9D1C9
text
#0A1209
muted
#7C817B

Preview Lab

Preview with #1FA643

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

Preview Lab → · Contrast checker → · Palette generator →

#1FA643 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva