#1B8B2A#1B8B2A

#1B8B2A is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.7% C 0.165 H 144.6°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B2A
RGB	rgb(27, 139, 42)
HSL	hsl(128, 67%, 33%)
HSV	hsv(128, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 69.8%, 45.5%)
CIE-LAB	lab(50.53, -49.92, 41.68)
CIE-LCH	lch(50.53, 65.03, 140.14°)
OKLab	oklab(55.71% -0.1348 0.0959)
OKLCH	oklch(55.71% 0.165 144.6)
XYZ	xyz(10.1018, 18.8642, 5.2988)
Luminance	0.1887 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B2A #8B1B7C

analogous

#448B1B #1B8B2A #1B8B62

triadic

#1B8B2A #2A1B8B #8B2A1B

tetradic

#1B8B2A #1B448B #8B1B7C #8B621B

square

#1B8B2A #1B448B #8B1B7C #8B621B

split-complementary

#1B8B2A #621B8B #8B1B44

monochromatic

#07250B #11581B #1B8B2A #25BE39 #45DB59

Accessibility & contrast

On white

4.40

#1B8B2A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#1B8B2A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B2A

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B2A	#FFFFFF	#000000	##000000
##1B8B2A	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D1C

Deuteranopia (green-blind)

#817533

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b2a;
/* rgb */ color: rgb(27, 139, 42);
/* oklch */ color: oklch(55.7% 0.165 144.6);

Tailwind

colors: {
  custom: {
    50: '#6dae69',
    500: '#1b8b2a',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b2a;
$custom-light: #6dae69;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b2a",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 42
  },
  "hsl": {
    "h": 128.036,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.5571,
    "c": 0.16544,
    "h": 144.6
  },
  "luminance": 0.18865
}

Semantic roles & 50–950 ramp

primary

#1B8B2A

secondary

#BC45AD

accent

#3DD3EA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #1B8B2A

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

Preview Lab → · Contrast checker → · Palette generator →