#1B8A3D#1B8A3D

#1B8A3D is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.7% C 0.149 H 148.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B8A3D
RGB	rgb(27, 138, 61)
HSL	hsl(138, 67%, 32%)
HSV	hsv(138, 80%, 54%)
CMYK	cmyk(80.4%, 0%, 55.8%, 45.9%)
CIE-LAB	lab(50.39, -47.15, 32.53)
CIE-LCH	lch(50.39, 57.28, 145.39°)
OKLab	oklab(55.66% -0.1267 0.078)
OKLCH	oklch(55.66% 0.149 148.4)
XYZ	xyz(10.3819, 18.7456, 7.4851)
Luminance	0.1875 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8A3D #8A1B68

analogous

#318A1B #1B8A3D #1B8A74

triadic

#1B8A3D #3D1B8A #8A3D1B

tetradic

#1B8A3D #1B318A #8A1B68 #8A741B

square

#1B8A3D #1B318A #8A1B68 #8A741B

split-complementary

#1B8A3D #741B8A #8A1B31

monochromatic

#072410 #115726 #1B8A3D #25BD54 #45DB73

Accessibility & contrast

On white

4.42

#1B8A3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#1B8A3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8A3D

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8A3D	#FFFFFF	#000000	##000000
##1B8A3D	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7D36

Deuteranopia (green-blind)

#7F7443

Tritanopia (blue-blind)

#008779

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8a3d;
/* rgb */ color: rgb(27, 138, 61);
/* oklch */ color: oklch(55.7% 0.149 148.4);

Tailwind

colors: {
  custom: {
    50: '#6cad74',
    500: '#1b8a3d',
    950: '#000000',
  },
}

SCSS

$custom: #1b8a3d;
$custom-light: #6cad74;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8a3d",
  "rgb": {
    "r": 27,
    "g": 138,
    "b": 61
  },
  "hsl": {
    "h": 138.378,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.55658,
    "c": 0.14876,
    "h": 148.4
  },
  "luminance": 0.18747
}

Semantic roles & 50–950 ramp

primary

#1B8A3D

secondary

#BC4597

accent

#3EB5EA

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #1B8A3D

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

Preview Lab → · Contrast checker → · Palette generator →