#1B8B4B#1B8B4B

#1B8B4B is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.2% C 0.137 H 152.4°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B4B
RGB	rgb(27, 139, 75)
HSL	hsl(146, 67%, 33%)
HSV	hsv(146, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 46%, 45.5%)
CIE-LAB	lab(50.93, -45.16, 25.81)
CIE-LCH	lch(50.93, 52.01, 150.25°)
OKLab	oklab(56.17% -0.1213 0.0635)
OKLCH	oklch(56.17% 0.137 152.4)
XYZ	xyz(10.9536, 19.2049, 9.7849)
Luminance	0.1921 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B4B #8B1B5B

analogous

#238B1B #1B8B4B #1B8B83

triadic

#1B8B4B #4B1B8B #8B4B1B

tetradic

#1B8B4B #1B238B #8B1B5B #8B831B

square

#1B8B4B #1B238B #8B1B5B #8B831B

split-complementary

#1B8B4B #831B8B #8B1B23

monochromatic

#072514 #11582F #1B8B4B #25BE67 #45DB86

Accessibility & contrast

On white

4.34

#1B8B4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#1B8B4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B4B

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B4B	#FFFFFF	#000000	##000000
##1B8B4B	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F46

Deuteranopia (green-blind)

#7E764F

Tritanopia (blue-blind)

#00897C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1b8b4b;
/* rgb */ color: rgb(27, 139, 75);
/* oklch */ color: oklch(56.2% 0.137 152.4);

Tailwind

colors: {
  custom: {
    50: '#6bae7e',
    500: '#1b8b4b',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b4b;
$custom-light: #6bae7e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b4b",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 75
  },
  "hsl": {
    "h": 145.714,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56169,
    "c": 0.13696,
    "h": 152.4
  },
  "luminance": 0.19206
}

Semantic roles & 50–950 ramp

primary

#1B8B4B

secondary

#BC4589

accent

#3DA0EA

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #1B8B4B

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

Preview Lab → · Contrast checker → · Palette generator →