#128F8B#128F8B

#128F8B is a mid, moderate teal. Relative luminance 0.216; OKLCH L 58.9% C 0.098 H 191.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#128F8B
RGBrgb(18, 143, 139)
HSLhsl(178, 78%, 32%)
HSVhsv(178, 87%, 56%)
CMYKcmyk(87.4%, 0%, 2.8%, 43.9%)
CIE-LABlab(53.64, -31.60, -6.85)
CIE-LCHlch(53.64, 32.33, 192.22°)
OKLaboklab(58.86% -0.0962 -0.0191)
OKLCHoklch(58.86% 0.098 191.3)
XYZxyz(14.7299, 21.6357, 27.8209)
Luminance0.2164 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#128F8B #8F1216
analogous
#128F4D #128F8B #12558F
triadic
#128F8B #8B128F #8F8B12
tetradic
#128F8B #4D128F #8F1216 #558F12
square
#128F8B #4D128F #8F1216 #558F12
split-complementary
#128F8B #8F1255 #8F4D12
monochromatic
#042221 #0B5956 #128F8B #19C5C0 #36E6E0

Accessibility & contrast

On white

3.94
#128F8B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.33
#128F8B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128F8B
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##128F8B#FFFFFF#000000##000000
##128F8B1.003.945.335.33
#FFFFFF3.941.0021.0021.00
#0000005.3321.001.001.00
##0000005.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#86878B
Deuteranopia (green-blind)
#767B8C
Tritanopia (blue-blind)
#00938D
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #128f8b;
/* rgb */ color: rgb(18, 143, 139);
/* oklch */ color: oklch(58.9% 0.098 191.3);
Tailwind
colors: {
  custom: {
    50: '#6db0ac',
    500: '#128f8b',
    950: '#000000',
  },
}
SCSS
$custom: #128f8b;
$custom-light: #6db0ac;
$custom-dark: #000000;
JSON
{
  "hex": "#128f8b",
  "rgb": {
    "r": 18,
    "g": 143,
    "b": 139
  },
  "hsl": {
    "h": 178.08,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.58861,
    "c": 0.09807,
    "h": 191.3
  },
  "luminance": 0.21638
}

Semantic roles & 50–950 ramp

primary
#128F8B
secondary
#C33A3E
accent
#343AF4
background
#F7FAFA
surface
#EDF5F4
border
#C8CFCE
text
#081010
muted
#7B7F7F

Preview Lab

Preview with #128F8B

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

Preview Lab → · Contrast checker → · Palette generator →

#128F8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva