#1B834B#1B834B

#1B834B is a mid, vivid green. Relative luminance 0.170; OKLCH L 53.9% C 0.126 H 154.0°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B834B
RGB	rgb(27, 131, 75)
HSL	hsl(148, 66%, 31%)
HSV	hsv(148, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 42.7%, 48.6%)
CIE-LAB	lab(48.23, -42.08, 22.30)
CIE-LCH	lch(48.23, 47.62, 152.08°)
OKLab	oklab(53.94% -0.1133 0.0553)
OKLCH	oklch(53.94% 0.126 154)
XYZ	xyz(9.8374, 16.9724, 9.4128)
Luminance	0.1697 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B834B #831B53

analogous

#1F831B #1B834B #1B837F

triadic

#1B834B #4B1B83 #834B1B

tetradic

#1B834B #1B1F83 #831B53 #837F1B

square

#1B834B #1B1F83 #831B53 #837F1B

split-complementary

#1B834B #7F1B83 #831B1F

monochromatic

#061E11 #11502E #1B834B #25B668 #41D886

Accessibility & contrast

On white

4.78

#1B834B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#1B834B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B834B

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B834B	#FFFFFF	#000000	##FFFFFF
##1B834B	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837847

Deuteranopia (green-blind)

#776F4F

Tritanopia (blue-blind)

#008175

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b834b;
/* rgb */ color: rgb(27, 131, 75);
/* oklch */ color: oklch(53.9% 0.126 154.0);

Tailwind

colors: {
  custom: {
    50: '#69a87e',
    500: '#1b834b',
    950: '#000000',
  },
}

SCSS

$custom: #1b834b;
$custom-light: #69a87e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b834b",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 75
  },
  "hsl": {
    "h": 147.692,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53936,
    "c": 0.12607,
    "h": 154
  },
  "luminance": 0.16974
}

Semantic roles & 50–950 ramp

primary

#1B834B

secondary

#B64381

accent

#3F9AE9

background

#F6FAF7

surface

#ECF4EE

border

#C7CEC9

text

#07100A

muted

#7A7F7C

Preview Lab

Preview with #1B834B

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

Preview Lab → · Contrast checker → · Palette generator →