#1F9599#1F9599

#1F9599 is a mid, moderate teal. Relative luminance 0.241; OKLCH L 61.1% C 0.097 H 198.5°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F9599
RGB	rgb(31, 149, 153)
HSL	hsl(182, 66%, 36%)
HSV	hsv(182, 80%, 60%)
CMYK	cmyk(79.7%, 2.6%, 0%, 40%)
CIE-LAB	lab(56.17, -29.04, -11.09)
CIE-LCH	lch(56.17, 31.09, 200.90°)
OKLab	oklab(61.12% -0.0923 -0.0308)
OKLCH	oklch(61.12% 0.097 198.5)
XYZ	xyz(17.0597, 24.0840, 33.8804)
Luminance	0.2409 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9599 #99231F

analogous

#1F9960 #1F9599 #1F5899

triadic

#1F9599 #991F95 #95991F

tetradic

#1F9599 #601F99 #99231F #58991F

square

#1F9599 #601F99 #99231F #58991F

split-complementary

#1F9599 #991F58 #99601F

monochromatic

#0A3233 #156366 #1F9599 #29C7CC #56D8DD

Accessibility & contrast

On white

3.61

#1F9599 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#1F9599 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9599

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9599	#FFFFFF	#000000	##000000
##1F9599	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8E99

Deuteranopia (green-blind)

#79819A

Tritanopia (blue-blind)

#009B96

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #1f9599;
/* rgb */ color: rgb(31, 149, 153);
/* oklch */ color: oklch(61.1% 0.097 198.5);

Tailwind

colors: {
  custom: {
    50: '#72b4b7',
    500: '#1f9599',
    950: '#000000',
  },
}

SCSS

$custom: #1f9599;
$custom-light: #72b4b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9599",
  "rgb": {
    "r": 31,
    "g": 149,
    "b": 153
  },
  "hsl": {
    "h": 181.967,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.6112,
    "c": 0.09728,
    "h": 198.5
  },
  "luminance": 0.24086
}

Semantic roles & 50–950 ramp

primary

#1F9599

secondary

#C05754

accent

#443FE9

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#091111

muted

#7B8080

Preview Lab

Preview with #1F9599

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

Preview Lab → · Contrast checker → · Palette generator →