#1B8B34#1B8B34

#1B8B34 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.8% C 0.158 H 146.3°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B34
RGB	rgb(27, 139, 52)
HSL	hsl(133, 67%, 33%)
HSV	hsv(133, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 62.6%, 45.5%)
CIE-LAB	lab(50.62, -48.76, 37.26)
CIE-LCH	lch(50.62, 61.36, 142.61°)
OKLab	oklab(55.82% -0.1313 0.0876)
OKLCH	oklch(55.82% 0.158 146.3)
XYZ	xyz(10.3037, 18.9449, 6.3618)
Luminance	0.1895 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B34 #8B1B72

analogous

#3A8B1B #1B8B34 #1B8B6C

triadic

#1B8B34 #341B8B #8B341B

tetradic

#1B8B34 #1B3A8B #8B1B72 #8B6C1B

square

#1B8B34 #1B3A8B #8B1B72 #8B6C1B

split-complementary

#1B8B34 #6C1B8B #8B1B3A

monochromatic

#07250E #115821 #1B8B34 #25BE47 #45DB67

Accessibility & contrast

On white

4.38

#1B8B34 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#1B8B34 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B34

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B34	#FFFFFF	#000000	##000000
##1B8B34	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E2B

Deuteranopia (green-blind)

#81753B

Tritanopia (blue-blind)

#008878

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b34;
/* rgb */ color: rgb(27, 139, 52);
/* oklch */ color: oklch(55.8% 0.158 146.3);

Tailwind

colors: {
  custom: {
    50: '#6cae6f',
    500: '#1b8b34',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b34;
$custom-light: #6cae6f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b34",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 52
  },
  "hsl": {
    "h": 133.393,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55819,
    "c": 0.1578,
    "h": 146.3
  },
  "luminance": 0.18946
}

Semantic roles & 50–950 ramp

primary

#1B8B34

secondary

#BC45A2

accent

#3DC4EA

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #1B8B34

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

Preview Lab → · Contrast checker → · Palette generator →