#1FB439#1FB439

#1FB439 is a light, highly saturated green. Relative luminance 0.332; OKLCH L 67.3% C 0.202 H 145.0°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX#1FB439
RGBrgb(31, 180, 57)
HSLhsl(130, 71%, 41%)
HSVhsv(130, 83%, 71%)
CMYKcmyk(82.8%, 0%, 68.3%, 29.4%)
CIE-LABlab(64.34, -61.20, 50.27)
CIE-LCHlch(64.34, 79.20, 140.60°)
OKLaboklab(67.25% -0.165 0.1157)
OKLCHoklch(67.25% 0.202 145)
XYZxyz(17.6236, 33.2270, 9.3547)
Luminance0.3323 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FB439 #B41F9A
analogous
#50B41F #1FB439 #1FB484
triadic
#1FB439 #391FB4 #B4391F
tetradic
#1FB439 #1F50B4 #B41F9A #B4841F
square
#1FB439 #1F50B4 #B41F9A #B4841F
split-complementary
#1FB439 #841FB4 #B41F50
monochromatic
#0D4C18 #168028 #1FB439 #34DC51 #68E57E

Accessibility & contrast

On white

2.75
#1FB439 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.65
#1FB439 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB439
7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FB439#FFFFFF#000000##000000
##1FB4391.002.757.657.65
#FFFFFF2.751.0021.0021.00
#0000007.6521.001.001.00
##0000007.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7A328
Deuteranopia (green-blind)
#A79845
Tritanopia (blue-blind)
#00AF9B
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #1fb439;
/* rgb */ color: rgb(31, 180, 57);
/* oklch */ color: oklch(67.3% 0.202 145.0);
Tailwind
colors: {
  custom: {
    50: '#78cc75',
    500: '#1fb439',
    950: '#000000',
  },
}
SCSS
$custom: #1fb439;
$custom-light: #78cc75;
$custom-dark: #000000;
JSON
{
  "hex": "#1fb439",
  "rgb": {
    "r": 31,
    "g": 180,
    "b": 57
  },
  "hsl": {
    "h": 130.47,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67252,
    "c": 0.20156,
    "h": 145
  },
  "luminance": 0.33229
}

Semantic roles & 50–950 ramp

primary
#1FB439
secondary
#CB64B9
accent
#3ACEED
background
#F8FCF7
surface
#EFF9ED
border
#CAD2C8
text
#0B1309
muted
#7C827B

Preview Lab

Preview with #1FB439

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

Preview Lab → · Contrast checker → · Palette generator →

#1FB439 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva