#1B834D#1B834D

#1B834D is a mid, vivid green. Relative luminance 0.170; OKLCH L 54.0% C 0.124 H 154.8°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B834D
RGB	rgb(27, 131, 77)
HSL	hsl(149, 66%, 31%)
HSV	hsv(149, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 41.2%, 48.6%)
CIE-LAB	lab(48.26, -41.68, 21.23)
CIE-LCH	lch(48.26, 46.77, 153.01°)
OKLab	oklab(53.98% -0.1123 0.0529)
OKLCH	oklch(53.98% 0.124 154.8)
XYZ	xyz(9.9069, 17.0002, 9.7790)
Luminance	0.1700 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B834D #831B51

analogous

#1D831B #1B834D #1B8381

triadic

#1B834D #4D1B83 #834D1B

tetradic

#1B834D #1B1D83 #831B51 #83811B

square

#1B834D #1B1D83 #831B51 #83811B

split-complementary

#1B834D #811B83 #831B1D

monochromatic

#061E11 #11502F #1B834D #25B66B #41D889

Accessibility & contrast

On white

4.77

#1B834D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#1B834D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B834D

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B834D	#FFFFFF	#000000	##FFFFFF
##1B834D	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837849

Deuteranopia (green-blind)

#766F51

Tritanopia (blue-blind)

#008176

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1b834d;
/* rgb */ color: rgb(27, 131, 77);
/* oklch */ color: oklch(54.0% 0.124 154.8);

Tailwind

colors: {
  custom: {
    50: '#69a87f',
    500: '#1b834d',
    950: '#000000',
  },
}

SCSS

$custom: #1b834d;
$custom-light: #69a87f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b834d",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 77
  },
  "hsl": {
    "h": 148.846,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53977,
    "c": 0.12412,
    "h": 154.8
  },
  "luminance": 0.17001
}

Semantic roles & 50–950 ramp

primary

#1B834D

secondary

#B6437F

accent

#3F97E9

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#07100A

muted

#7A7F7C

Preview Lab

Preview with #1B834D

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

Preview Lab → · Contrast checker → · Palette generator →