#128B8C#128B8C

#128B8C is a mid, moderate teal. Relative luminance 0.205; OKLCH L 57.8% C 0.095 H 195.8°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#128B8C
RGB	rgb(18, 139, 140)
HSL	hsl(180, 77%, 31%)
HSV	hsv(180, 87%, 55%)
CMYK	cmyk(87.1%, 0.7%, 0%, 45.1%)
CIE-LAB	lab(52.38, -29.35, -9.30)
CIE-LCH	lch(52.38, 30.79, 197.58°)
OKLab	oklab(57.85% -0.0917 -0.0259)
OKLCH	oklch(57.85% 0.095 195.8)
XYZ	xyz(14.2135, 20.4854, 28.0108)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128B8C #8C1312

analogous

#128C50 #128B8C #124E8C

triadic

#128B8C #8C128B #8B8C12

tetradic

#128B8C #50128C #8C1312 #4E8C12

square

#128B8C #50128C #8C1312 #4E8C12

split-complementary

#128B8C #8C124E #8C5012

monochromatic

#041F20 #0B5556 #128B8C #19C1C2 #34E3E5

Accessibility & contrast

On white

4.12

#128B8C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#128B8C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128B8C

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128B8C	#FFFFFF	#000000	##000000
##128B8C	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81848C

Deuteranopia (green-blind)

#71788D

Tritanopia (blue-blind)

#00908B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #128b8c;
/* rgb */ color: rgb(18, 139, 140);
/* oklch */ color: oklch(57.8% 0.095 195.8);

Tailwind

colors: {
  custom: {
    50: '#6dadad',
    500: '#128b8c',
    950: '#000000',
  },
}

SCSS

$custom: #128b8c;
$custom-light: #6dadad;
$custom-dark: #000000;

JSON

{
  "hex": "#128b8c",
  "rgb": {
    "r": 18,
    "g": 139,
    "b": 140
  },
  "hsl": {
    "h": 180.492,
    "s": 77.215,
    "l": 30.98
  },
  "oklch": {
    "l": 0.57848,
    "c": 0.09531,
    "h": 195.8
  },
  "luminance": 0.20487
}

Semantic roles & 50–950 ramp

primary

#128B8C

secondary

#C03A39

accent

#3634F4

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #128B8C

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

Preview Lab → · Contrast checker → · Palette generator →