#1FA637#1FA637

#1FA637 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.4% C 0.187 H 145.2°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#1FA637
RGBrgb(31, 166, 55)
HSLhsl(131, 69%, 39%)
HSVhsv(131, 81%, 65%)
CMYKcmyk(81.3%, 0%, 66.9%, 34.9%)
CIE-LABlab(59.74, -56.94, 46.12)
CIE-LCHlch(59.74, 73.27, 140.99°)
OKLaboklab(63.42% -0.1535 0.1068)
OKLCHoklch(63.42% 0.187 145.2)
XYZxyz(14.8898, 27.8378, 8.2022)
Luminance0.2784 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FA637 #A61F8E
analogous
#4AA61F #1FA637 #1FA67A
triadic
#1FA637 #371FA6 #A6371F
tetradic
#1FA637 #1F4AA6 #A61F8E #A67A1F
square
#1FA637 #1F4AA6 #A61F8E #A67A1F
split-complementary
#1FA637 #7A1FA6 #A61F4A
monochromatic
#0C3F15 #157226 #1FA637 #2BD749 #5EE176

Accessibility & contrast

On white

3.20
#1FA637 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.57
#1FA637 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA637
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FA637#FFFFFF#000000##000000
##1FA6371.003.206.576.57
#FFFFFF3.201.0021.0021.00
#0000006.5721.001.001.00
##0000006.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A99629
Deuteranopia (green-blind)
#9A8C41
Tritanopia (blue-blind)
#00A28F
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #1fa637;
/* rgb */ color: rgb(31, 166, 55);
/* oklch */ color: oklch(63.4% 0.187 145.2);
Tailwind
colors: {
  custom: {
    50: '#74c273',
    500: '#1fa637',
    950: '#000000',
  },
}
SCSS
$custom: #1fa637;
$custom-light: #74c273;
$custom-dark: #000000;
JSON
{
  "hex": "#1fa637",
  "rgb": {
    "r": 31,
    "g": 166,
    "b": 55
  },
  "hsl": {
    "h": 130.667,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.6342,
    "c": 0.18697,
    "h": 145.2
  },
  "luminance": 0.2784
}

Semantic roles & 50–950 ramp

primary
#1FA637
secondary
#C55BB3
accent
#3CCCEB
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1208
muted
#7C817B

Preview Lab

Preview with #1FA637

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

Preview Lab → · Contrast checker → · Palette generator →

#1FA637 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva