#128B8F#128B8F

#128B8F is a mid, moderate teal. Relative luminance 0.206; OKLCH L 58.0% C 0.095 H 198.5°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#128B8F
RGB	rgb(18, 139, 143)
HSL	hsl(182, 78%, 32%)
HSV	hsv(182, 87%, 56%)
CMYK	cmyk(87.4%, 2.8%, 0%, 43.9%)
CIE-LAB	lab(52.48, -28.40, -10.89)
CIE-LCH	lch(52.48, 30.41, 200.98°)
OKLab	oklab(57.96% -0.0903 -0.0303)
OKLCH	oklch(57.96% 0.095 198.5)
XYZ	xyz(14.4377, 20.5751, 29.1917)
Luminance	0.2058 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128B8F #8F1612

analogous

#128F55 #128B8F #124D8F

triadic

#128B8F #8F128B #8B8F12

tetradic

#128B8F #55128F #8F1612 #4D8F12

square

#128B8F #55128F #8F1612 #4D8F12

split-complementary

#128B8F #8F124D #8F5512

monochromatic

#042122 #0B5659 #128B8F #19C0C5 #36E0E6

Accessibility & contrast

On white

4.11

#128B8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#128B8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128B8F

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128B8F	#FFFFFF	#000000	##000000
##128B8F	1.00	4.11	5.12	5.12
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80848F

Deuteranopia (green-blind)

#707890

Tritanopia (blue-blind)

#00908C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #128b8f;
/* rgb */ color: rgb(18, 139, 143);
/* oklch */ color: oklch(58.0% 0.095 198.5);

Tailwind

colors: {
  custom: {
    50: '#6dadaf',
    500: '#128b8f',
    950: '#000000',
  },
}

SCSS

$custom: #128b8f;
$custom-light: #6dadaf;
$custom-dark: #000000;

JSON

{
  "hex": "#128b8f",
  "rgb": {
    "r": 18,
    "g": 139,
    "b": 143
  },
  "hsl": {
    "h": 181.92,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.57962,
    "c": 0.09529,
    "h": 198.5
  },
  "luminance": 0.20577
}

Semantic roles & 50–950 ramp

primary

#128B8F

secondary

#C33E3A

accent

#3A34F4

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #128B8F

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

Preview Lab → · Contrast checker → · Palette generator →