#1F999B#1F999B

#1F999B is a light, moderate teal. Relative luminance 0.254; OKLCH L 62.2% C 0.100 H 196.6°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F999B
RGB	rgb(31, 153, 155)
HSL	hsl(181, 67%, 36%)
HSV	hsv(181, 80%, 61%)
CMYK	cmyk(80%, 1.3%, 0%, 39.2%)
CIE-LAB	lab(57.50, -30.37, -10.24)
CIE-LCH	lch(57.50, 32.05, 198.64°)
OKLab	oklab(62.22% -0.0954 -0.0285)
OKLCH	oklch(62.22% 0.1 196.6)
XYZ	xyz(17.8700, 25.4381, 34.9722)
Luminance	0.2544 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F999B #9B211F

analogous

#1F9B5F #1F999B #1F5B9B

triadic

#1F999B #9B1F99 #999B1F

tetradic

#1F999B #5F1F9B #9B211F #5B9B1F

square

#1F999B #5F1F9B #9B211F #5B9B1F

split-complementary

#1F999B #9B1F5B #9B5F1F

monochromatic

#0B3435 #156768 #1F999B #29CBCE #57DBDD

Accessibility & contrast

On white

3.45

#1F999B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#1F999B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F999B

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F999B	#FFFFFF	#000000	##000000
##1F999B	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E919B

Deuteranopia (green-blind)

#7D859C

Tritanopia (blue-blind)

#009E99

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1f999b;
/* rgb */ color: rgb(31, 153, 155);
/* oklch */ color: oklch(62.2% 0.100 196.6);

Tailwind

colors: {
  custom: {
    50: '#73b7b8',
    500: '#1f999b',
    950: '#000000',
  },
}

SCSS

$custom: #1f999b;
$custom-light: #73b7b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f999b",
  "rgb": {
    "r": 31,
    "g": 153,
    "b": 155
  },
  "hsl": {
    "h": 180.968,
    "s": 66.667,
    "l": 36.471
  },
  "oklch": {
    "l": 0.6222,
    "c": 0.09952,
    "h": 196.6
  },
  "luminance": 0.2544
}

Semantic roles & 50–950 ramp

primary

#1F999B

secondary

#C15655

accent

#413EEA

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1111

muted

#7C8080

Preview Lab

Preview with #1F999B

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

Preview Lab → · Contrast checker → · Palette generator →