#1B8B3D#1B8B3D

#1B8B3D is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.9% C 0.150 H 148.3°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B3D
RGB	rgb(27, 139, 61)
HSL	hsl(138, 67%, 33%)
HSV	hsv(138, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 56.1%, 45.5%)
CIE-LAB	lab(50.73, -47.50, 32.94)
CIE-LCH	lch(50.73, 57.81, 145.26°)
OKLab	oklab(55.94% -0.1276 0.0789)
OKLCH	oklch(55.94% 0.15 148.3)
XYZ	xyz(10.5261, 19.0339, 7.5331)
Luminance	0.1903 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B3D #8B1B69

analogous

#318B1B #1B8B3D #1B8B75

triadic

#1B8B3D #3D1B8B #8B3D1B

tetradic

#1B8B3D #1B318B #8B1B69 #8B751B

square

#1B8B3D #1B318B #8B1B69 #8B751B

split-complementary

#1B8B3D #751B8B #8B1B31

monochromatic

#072510 #115827 #1B8B3D #25BE53 #45DB73

Accessibility & contrast

On white

4.37

#1B8B3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#1B8B3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B3D

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B3D	#FFFFFF	#000000	##000000
##1B8B3D	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7E36

Deuteranopia (green-blind)

#807543

Tritanopia (blue-blind)

#008879

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1b8b3d;
/* rgb */ color: rgb(27, 139, 61);
/* oklch */ color: oklch(55.9% 0.150 148.3);

Tailwind

colors: {
  custom: {
    50: '#6cae74',
    500: '#1b8b3d',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b3d;
$custom-light: #6cae74;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b3d",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 61
  },
  "hsl": {
    "h": 138.214,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55939,
    "c": 0.15005,
    "h": 148.3
  },
  "luminance": 0.19035
}

Semantic roles & 50–950 ramp

primary

#1B8B3D

secondary

#BC4598

accent

#3DB6EA

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #1B8B3D

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

Preview Lab → · Contrast checker → · Palette generator →