#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
RGB	rgb(18, 143, 139)
HSL	hsl(178, 78%, 32%)
HSV	hsv(178, 87%, 56%)
CMYK	cmyk(87.4%, 0%, 2.8%, 43.9%)
CIE-LAB	lab(53.64, -31.60, -6.85)
CIE-LCH	lch(53.64, 32.33, 192.22°)
OKLab	oklab(58.86% -0.0962 -0.0191)
OKLCH	oklch(58.86% 0.098 191.3)
XYZ	xyz(14.7299, 21.6357, 27.8209)
Luminance	0.2164 (WCAG relative)
Temperature	cool
Family	teal

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
##128F8B	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

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 →