#1B823D#1B823D

#1B823D is a mid, vivid green. Relative luminance 0.165; OKLCH L 53.4% C 0.138 H 149.3°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#1B823D
RGBrgb(27, 130, 61)
HSLhsl(140, 66%, 31%)
HSVhsv(140, 79%, 51%)
CMYKcmyk(79.2%, 0%, 53.1%, 49%)
CIE-LABlab(47.67, -44.22, 29.21)
CIE-LCHlch(47.67, 53.00, 146.56°)
OKLaboklab(53.4% -0.1188 0.0706)
OKLCHoklch(53.4% 0.138 149.3)
XYZxyz(9.2762, 16.5341, 7.1165)
Luminance0.1653 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B823D #821B60
analogous
#2C821B #1B823D #1B8270
triadic
#1B823D #3D1B82 #823D1B
tetradic
#1B823D #1B2C82 #821B60 #82701B
square
#1B823D #1B2C82 #821B60 #82701B
split-complementary
#1B823D #701B82 #821B2C
monochromatic
#061D0D #104F25 #1B823D #26B555 #40D772

Accessibility & contrast

On white

4.88
#1B823D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.31
#1B823D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B823D
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B823D#FFFFFF#000000##FFFFFF
##1B823D1.004.884.314.88
#FFFFFF4.881.0021.001.00
#0000004.3121.001.0021.00
##FFFFFF4.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#837637
Deuteranopia (green-blind)
#776E42
Tritanopia (blue-blind)
#007F72
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #1b823d;
/* rgb */ color: rgb(27, 130, 61);
/* oklch */ color: oklch(53.4% 0.138 149.3);
Tailwind
colors: {
  custom: {
    50: '#6aa774',
    500: '#1b823d',
    950: '#000000',
  },
}
SCSS
$custom: #1b823d;
$custom-light: #6aa774;
$custom-dark: #000000;
JSON
{
  "hex": "#1b823d",
  "rgb": {
    "r": 27,
    "g": 130,
    "b": 61
  },
  "hsl": {
    "h": 139.806,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.53404,
    "c": 0.13823,
    "h": 149.3
  },
  "luminance": 0.16535
}

Semantic roles & 50–950 ramp

primary
#1B823D
secondary
#B64390
accent
#3FB1E9
background
#F6FAF7
surface
#ECF4ED
border
#C7CEC8
text
#071008
muted
#7A7F7B

Preview Lab

Preview with #1B823D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B823D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva