#1B823E#1B823E

#1B823E is a mid, vivid green. Relative luminance 0.165; OKLCH L 53.4% C 0.137 H 149.6°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B823E
RGB	rgb(27, 130, 62)
HSL	hsl(140, 66%, 31%)
HSV	hsv(140, 79%, 51%)
CMYK	cmyk(79.2%, 0%, 52.3%, 49%)
CIE-LAB	lab(47.68, -44.06, 28.70)
CIE-LCH	lch(47.68, 52.58, 146.92°)
OKLab	oklab(53.42% -0.1184 0.0695)
OKLCH	oklch(53.42% 0.137 149.6)
XYZ	xyz(9.3034, 16.5450, 7.2597)
Luminance	0.1655 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B823E #821B5F

analogous

#2C821B #1B823E #1B8271

triadic

#1B823E #3E1B82 #823E1B

tetradic

#1B823E #1B2C82 #821B5F #82711B

square

#1B823E #1B2C82 #821B5F #82711B

split-complementary

#1B823E #711B82 #821B2C

monochromatic

#061D0E #104F26 #1B823E #26B556 #40D773

Accessibility & contrast

On white

4.87

#1B823E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#1B823E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B823E

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B823E	#FFFFFF	#000000	##FFFFFF
##1B823E	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837638

Deuteranopia (green-blind)

#776E43

Tritanopia (blue-blind)

#007F72

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1b823e;
/* rgb */ color: rgb(27, 130, 62);
/* oklch */ color: oklch(53.4% 0.137 149.6);

Tailwind

colors: {
  custom: {
    50: '#6aa775',
    500: '#1b823e',
    950: '#000000',
  },
}

SCSS

$custom: #1b823e;
$custom-light: #6aa775;
$custom-dark: #000000;

JSON

{
  "hex": "#1b823e",
  "rgb": {
    "r": 27,
    "g": 130,
    "b": 62
  },
  "hsl": {
    "h": 140.388,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.5342,
    "c": 0.13728,
    "h": 149.6
  },
  "luminance": 0.16546
}

Semantic roles & 50–950 ramp

primary

#1B823E

secondary

#B6438F

accent

#3FAFE9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #1B823E

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

Preview Lab → · Contrast checker → · Palette generator →