#1B999F#1B999F

#1B999F is a light, moderate teal. Relative luminance 0.255; OKLCH L 62.3% C 0.101 H 200.0°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#1B999F
RGB	rgb(27, 153, 159)
HSL	hsl(183, 71%, 36%)
HSV	hsv(183, 83%, 62%)
CMYK	cmyk(83%, 3.8%, 0%, 37.6%)
CIE-LAB	lab(57.58, -29.48, -12.42)
CIE-LCH	lch(57.58, 31.99, 202.84°)
OKLab	oklab(62.31% -0.0947 -0.0345)
OKLCH	oklch(62.31% 0.101 200)
XYZ	xyz(18.0984, 25.5164, 36.7654)
Luminance	0.2552 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B999F #9F211B

analogous

#1B9F63 #1B999F #1B579F

triadic

#1B999F #9F1B99 #999F1B

tetradic

#1B999F #631B9F #9F211B #579F1B

square

#1B999F #631B9F #9F211B #579F1B

split-complementary

#1B999F #9F1B57 #9F631B

monochromatic

#093436 #12676B #1B999F #24CBD3 #53DBE2

Accessibility & contrast

On white

3.44

#1B999F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#1B999F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B999F

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B999F	#FFFFFF	#000000	##000000
##1B999F	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D92A0

Deuteranopia (green-blind)

#7B85A0

Tritanopia (blue-blind)

#009F9B

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1b999f;
/* rgb */ color: rgb(27, 153, 159);
/* oklch */ color: oklch(62.3% 0.101 200.0);

Tailwind

colors: {
  custom: {
    50: '#73b7bb',
    500: '#1b999f',
    950: '#000000',
  },
}

SCSS

$custom: #1b999f;
$custom-light: #73b7bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b999f",
  "rgb": {
    "r": 27,
    "g": 153,
    "b": 159
  },
  "hsl": {
    "h": 182.727,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.62308,
    "c": 0.10079,
    "h": 200
  },
  "luminance": 0.25519
}

Semantic roles & 50–950 ramp

primary

#1B999F

secondary

#C55651

accent

#423AEE

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1111

muted

#7C8080

Preview Lab

Preview with #1B999F

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

Preview Lab → · Contrast checker → · Palette generator →