#1FBB34#1FBB34

#1FBB34 is a light, highly saturated green. Relative luminance 0.361; OKLCH L 69.1% C 0.212 H 144.2°. Best body text is #000000 at 8.22:1 contrast (WCAG AA passes).

Color values

HEX#1FBB34
RGBrgb(31, 187, 52)
HSLhsl(128, 72%, 43%)
HSVhsv(128, 83%, 73%)
CMYKcmyk(83.4%, 0%, 72.2%, 26.7%)
CIE-LABlab(66.58, -63.83, 54.57)
CIE-LCHlch(66.58, 83.98, 139.47°)
OKLaboklab(69.1% -0.1724 0.1242)
OKLCHoklch(69.1% 0.212 144.2)
XYZxyz(18.9539, 36.0775, 9.2129)
Luminance0.3608 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FBB34 #BB1FA6
analogous
#58BB1F #1FBB34 #1FBB82
triadic
#1FBB34 #341FBB #BB341F
tetradic
#1FBB34 #1F58BB #BB1FA6 #BB821F
square
#1FBB34 #1F58BB #BB1FA6 #BB821F
split-complementary
#1FBB34 #821FBB #BB1F58
monochromatic
#0E5217 #168725 #1FBB34 #39DE4F #6EE77E

Accessibility & contrast

On white

2.56
#1FBB34 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.22
#1FBB34 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FBB34
8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FBB34#FFFFFF#000000##000000
##1FBB341.002.568.228.22
#FFFFFF2.561.0021.0021.00
#0000008.2221.001.001.00
##0000008.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#BFA91D
Deuteranopia (green-blind)
#AE9E42
Tritanopia (blue-blind)
#00B6A1
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #1fbb34;
/* rgb */ color: rgb(31, 187, 52);
/* oklch */ color: oklch(69.1% 0.212 144.2);
Tailwind
colors: {
  custom: {
    50: '#7ad173',
    500: '#1fbb34',
    950: '#000000',
  },
}
SCSS
$custom: #1fbb34;
$custom-light: #7ad173;
$custom-dark: #000000;
JSON
{
  "hex": "#1fbb34",
  "rgb": {
    "r": 31,
    "g": 187,
    "b": 52
  },
  "hsl": {
    "h": 128.077,
    "s": 71.56,
    "l": 42.745
  },
  "oklch": {
    "l": 0.69099,
    "c": 0.21244,
    "h": 144.2
  },
  "luminance": 0.3608
}

Semantic roles & 50–950 ramp

primary
#1FBB34
secondary
#CD69C0
accent
#3AD6EE
background
#F8FDF7
surface
#EFFAED
border
#CAD3C8
text
#0B1409
muted
#7C837B

Preview Lab

Preview with #1FBB34

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

Preview Lab → · Contrast checker → · Palette generator →

#1FBB34 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva