#128C8F#128C8F

#128C8F is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.2% C 0.096 H 197.6°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#128C8F
RGB	rgb(18, 140, 143)
HSL	hsl(181, 78%, 32%)
HSV	hsv(181, 87%, 56%)
CMYK	cmyk(87.4%, 2.1%, 0%, 43.9%)
CIE-LAB	lab(52.80, -28.89, -10.41)
CIE-LCH	lch(52.80, 30.71, 199.82°)
OKLab	oklab(58.22% -0.0913 -0.029)
OKLCH	oklch(58.22% 0.096 197.6)
XYZ	xyz(14.5832, 20.8660, 29.2402)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128C8F #8F1512

analogous

#128F54 #128C8F #124E8F

triadic

#128C8F #8F128C #8C8F12

tetradic

#128C8F #54128F #8F1512 #4E8F12

square

#128C8F #54128F #8F1512 #4E8F12

split-complementary

#128C8F #8F124E #8F5412

monochromatic

#042222 #0B5759 #128C8F #19C1C5 #36E1E6

Accessibility & contrast

On white

4.06

#128C8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#128C8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128C8F

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128C8F	#FFFFFF	#000000	##000000
##128C8F	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81858F

Deuteranopia (green-blind)

#717990

Tritanopia (blue-blind)

#00918D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #128c8f;
/* rgb */ color: rgb(18, 140, 143);
/* oklch */ color: oklch(58.2% 0.096 197.6);

Tailwind

colors: {
  custom: {
    50: '#6daeaf',
    500: '#128c8f',
    950: '#000000',
  },
}

SCSS

$custom: #128c8f;
$custom-light: #6daeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#128c8f",
  "rgb": {
    "r": 18,
    "g": 140,
    "b": 143
  },
  "hsl": {
    "h": 181.44,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.58224,
    "c": 0.09581,
    "h": 197.6
  },
  "luminance": 0.20868
}

Semantic roles & 50–950 ramp

primary

#128C8F

secondary

#C33D3A

accent

#3834F4

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #128C8F

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

Preview Lab → · Contrast checker → · Palette generator →