#1B8B2D#1B8B2D

#1B8B2D is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.7% C 0.163 H 145.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B2D
RGB	rgb(27, 139, 45)
HSL	hsl(130, 67%, 33%)
HSV	hsv(130, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 67.6%, 45.5%)
CIE-LAB	lab(50.55, -49.60, 40.41)
CIE-LCH	lch(50.55, 63.97, 140.83°)
OKLab	oklab(55.74% -0.1338 0.0936)
OKLCH	oklch(55.74% 0.163 145)
XYZ	xyz(10.1575, 18.8865, 5.5922)
Luminance	0.1889 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B2D #8B1B79

analogous

#418B1B #1B8B2D #1B8B65

triadic

#1B8B2D #2D1B8B #8B2D1B

tetradic

#1B8B2D #1B418B #8B1B79 #8B651B

square

#1B8B2D #1B418B #8B1B79 #8B651B

split-complementary

#1B8B2D #651B8B #8B1B41

monochromatic

#07250C #11581C #1B8B2D #25BE3E #45DB5D

Accessibility & contrast

On white

4.40

#1B8B2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#1B8B2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B2D

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B2D	#FFFFFF	#000000	##000000
##1B8B2D	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E21

Deuteranopia (green-blind)

#817536

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b2d;
/* rgb */ color: rgb(27, 139, 45);
/* oklch */ color: oklch(55.7% 0.163 145.0);

Tailwind

colors: {
  custom: {
    50: '#6dae6a',
    500: '#1b8b2d',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b2d;
$custom-light: #6dae6a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b2d",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 45
  },
  "hsl": {
    "h": 129.643,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.5574,
    "c": 0.16327,
    "h": 145
  },
  "luminance": 0.18888
}

Semantic roles & 50–950 ramp

primary

#1B8B2D

secondary

#BC45A9

accent

#3DCFEA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #1B8B2D

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

Preview Lab → · Contrast checker → · Palette generator →