#1FA638#1FA638

#1FA638 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.4% C 0.186 H 145.3°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#1FA638
RGBrgb(31, 166, 56)
HSLhsl(131, 69%, 39%)
HSVhsv(131, 81%, 65%)
CMYKcmyk(81.3%, 0%, 66.3%, 34.9%)
CIE-LABlab(59.75, -56.83, 45.70)
CIE-LCHlch(59.75, 72.92, 141.19°)
OKLaboklab(63.43% -0.1532 0.106)
OKLCHoklch(63.43% 0.186 145.3)
XYZxyz(14.9140, 27.8474, 8.3297)
Luminance0.2785 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FA638 #A61F8D
analogous
#49A61F #1FA638 #1FA67B
triadic
#1FA638 #381FA6 #A6381F
tetradic
#1FA638 #1F49A6 #A61F8D #A67B1F
square
#1FA638 #1F49A6 #A61F8D #A67B1F
split-complementary
#1FA638 #7B1FA6 #A61F49
monochromatic
#0C3F15 #157227 #1FA638 #2BD74B #5EE177

Accessibility & contrast

On white

3.20
#1FA638 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.57
#1FA638 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA638
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FA638#FFFFFF#000000##000000
##1FA6381.003.206.576.57
#FFFFFF3.201.0021.0021.00
#0000006.5721.001.001.00
##0000006.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9962A
Deuteranopia (green-blind)
#9A8C42
Tritanopia (blue-blind)
#00A28F
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #1fa638;
/* rgb */ color: rgb(31, 166, 56);
/* oklch */ color: oklch(63.4% 0.186 145.3);
Tailwind
colors: {
  custom: {
    50: '#74c273',
    500: '#1fa638',
    950: '#000000',
  },
}
SCSS
$custom: #1fa638;
$custom-light: #74c273;
$custom-dark: #000000;
JSON
{
  "hex": "#1fa638",
  "rgb": {
    "r": 31,
    "g": 166,
    "b": 56
  },
  "hsl": {
    "h": 131.111,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.6343,
    "c": 0.18625,
    "h": 145.3
  },
  "luminance": 0.27849
}

Semantic roles & 50–950 ramp

primary
#1FA638
secondary
#C55BB2
accent
#3CCBEB
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1208
muted
#7C817B

Preview Lab

Preview with #1FA638

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

Preview Lab → · Contrast checker → · Palette generator →

#1FA638 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva