#1FB23C#1FB23C

#1FB23C is a light, vivid green. Relative luminance 0.325; OKLCH L 66.7% C 0.197 H 145.4°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX#1FB23C
RGBrgb(31, 178, 60)
HSLhsl(132, 70%, 41%)
HSVhsv(132, 83%, 70%)
CMYKcmyk(82.6%, 0%, 66.3%, 30.2%)
CIE-LABlab(63.72, -60.25, 48.35)
CIE-LCHlch(63.72, 77.25, 141.26°)
OKLaboklab(66.74% -0.1623 0.112)
OKLCHoklch(66.74% 0.197 145.4)
XYZxyz(17.2998, 32.4562, 9.6270)
Luminance0.3246 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1FB23C #B21F95
analogous
#4BB21F #1FB23C #1FB285
triadic
#1FB23C #3C1FB2 #B23C1F
tetradic
#1FB23C #1F4BB2 #B21F95 #B2851F
square
#1FB23C #1F4BB2 #B21F95 #B2851F
split-complementary
#1FB23C #851FB2 #B21F4B
monochromatic
#0D4A19 #167E2A #1FB23C #33DB54 #67E580

Accessibility & contrast

On white

2.80
#1FB23C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.49
#1FB23C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB23C
7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1FB23C#FFFFFF#000000##000000
##1FB23C1.002.807.497.49
#FFFFFF2.801.0021.0021.00
#0000007.4921.001.001.00
##0000007.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5A12D
Deuteranopia (green-blind)
#A59647
Tritanopia (blue-blind)
#00AD9A
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #1fb23c;
/* rgb */ color: rgb(31, 178, 60);
/* oklch */ color: oklch(66.7% 0.197 145.4);
Tailwind
colors: {
  custom: {
    50: '#77ca77',
    500: '#1fb23c',
    950: '#000000',
  },
}
SCSS
$custom: #1fb23c;
$custom-light: #77ca77;
$custom-dark: #000000;
JSON
{
  "hex": "#1fb23c",
  "rgb": {
    "r": 31,
    "g": 178,
    "b": 60
  },
  "hsl": {
    "h": 131.837,
    "s": 70.335,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66739,
    "c": 0.19722,
    "h": 145.4
  },
  "luminance": 0.32458
}

Semantic roles & 50–950 ramp

primary
#1FB23C
secondary
#CA63B6
accent
#3BCAED
background
#F8FCF7
surface
#EFF9ED
border
#CAD2C8
text
#0A1309
muted
#7C827B

Preview Lab

Preview with #1FB23C

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

Preview Lab → · Contrast checker → · Palette generator →

#1FB23C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva