#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
RGB	rgb(27, 130, 61)
HSL	hsl(140, 66%, 31%)
HSV	hsv(140, 79%, 51%)
CMYK	cmyk(79.2%, 0%, 53.1%, 49%)
CIE-LAB	lab(47.67, -44.22, 29.21)
CIE-LCH	lch(47.67, 53.00, 146.56°)
OKLab	oklab(53.4% -0.1188 0.0706)
OKLCH	oklch(53.4% 0.138 149.3)
XYZ	xyz(9.2762, 16.5341, 7.1165)
Luminance	0.1653 (WCAG relative)
Temperature	neutral
Family	green

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
##1B823D	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

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 →