#177B51#177B51

#177B51 is a mid, moderate teal. Relative luminance 0.149; OKLCH L 51.7% C 0.110 H 159.5°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#177B51
RGB	rgb(23, 123, 81)
HSL	hsl(155, 68%, 29%)
HSV	hsv(155, 81%, 48%)
CMYK	cmyk(81.3%, 0%, 34.1%, 51.8%)
CIE-LAB	lab(45.55, -38.09, 15.30)
CIE-LCH	lch(45.55, 41.05, 158.11°)
OKLab	oklab(51.75% -0.1034 0.0387)
OKLCH	oklch(51.75% 0.11 159.5)
XYZ	xyz(8.9206, 14.9411, 10.1968)
Luminance	0.1494 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#177B51 #7B1741

analogous

#177B1F #177B51 #17737B

triadic

#177B51 #51177B #7B5117

tetradic

#177B51 #1F177B #7B1741 #737B17

square

#177B51 #1F177B #7B1741 #737B17

split-complementary

#177B51 #7B1773 #7B1F17

monochromatic

#051A11 #0D472F #177B51 #21AF73 #33D993

Accessibility & contrast

On white

5.27

#177B51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#177B51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #177B51

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##177B51	#FFFFFF	#000000	##FFFFFF
##177B51	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A714E

Deuteranopia (green-blind)

#6E6854

Tritanopia (blue-blind)

#007A70

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #177b51;
/* rgb */ color: rgb(23, 123, 81);
/* oklch */ color: oklch(51.7% 0.110 159.5);

Tailwind

colors: {
  custom: {
    50: '#66a282',
    500: '#177b51',
    950: '#000000',
  },
}

SCSS

$custom: #177b51;
$custom-light: #66a282;
$custom-dark: #000000;

JSON

{
  "hex": "#177b51",
  "rgb": {
    "r": 23,
    "g": 123,
    "b": 81
  },
  "hsl": {
    "h": 154.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.51749,
    "c": 0.11036,
    "h": 159.5
  },
  "luminance": 0.14942
}

Semantic roles & 50–950 ramp

primary

#177B51

secondary

#B03E6E

accent

#3C86EB

background

#F6FAF7

surface

#EBF3EE

border

#C6CDC9

text

#070F0A

muted

#7A7F7C

Preview Lab

Preview with #177B51

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

Preview Lab → · Contrast checker → · Palette generator →