#18B0B4#18B0B4
#18B0B4 is a light, moderate teal. Relative luminance 0.345; OKLCH L 68.9% C 0.114 H 197.8°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).
Color values
| HEX | #18B0B4 |
|---|---|
| RGB | rgb(24, 176, 180) |
| HSL | hsl(182, 76%, 40%) |
| HSV | hsv(182, 87%, 71%) |
| CMYK | cmyk(86.7%, 2.2%, 0%, 29.4%) |
| CIE-LAB | lab(65.39, -34.18, -12.49) |
| CIE-LCH | lch(65.39, 36.39, 200.07°) |
| OKLab | oklab(68.87% -0.1082 -0.0348) |
| OKLCH | oklch(68.87% 0.114 197.8) |
| XYZ | xyz(24.1364, 34.5370, 48.5654) |
| Luminance | 0.3454 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Lightseagreen
#20B2AA
ΔE00 4.46
Turquoise Blue
#06B1C4
ΔE00 5.36
Topaz
#13BBAF
ΔE00 6.49
Cadetblue
#5F9EA0
ΔE00 7.76
Darkturquoise
#00CED1
ΔE00 7.95
Sea
#3C9992
ΔE00 8.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18B0B4 #B41C18
analogous
#18B46A #18B0B4 #1862B4
triadic
#18B0B4 #B418B0 #B0B418
tetradic
#18B0B4 #6A18B4 #B41C18 #62B418
square
#18B0B4 #6A18B4 #B41C18 #62B418
split-complementary
#18B0B4 #B41862 #B46A18
monochromatic
#0A4648 #117B7E #18B0B4 #27DDE2 #5DE6E9
Accessibility & contrast
On white
2.66
#18B0B4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.91
#18B0B4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #18B0B4
7.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18B0B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##18B0B4 | 1.00 | 2.66 | 7.91 | 7.91 |
| #FFFFFF | 2.66 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.91 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.91 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A3A7B4
Deuteranopia (green-blind)
#8F98B5
Tritanopia (blue-blind)
#00B7B1
Achromatopsia (no color)
#9F9F9F
Design tokens & code
CSS
--color: #18b0b4; /* rgb */ color: rgb(24, 176, 180); /* oklch */ color: oklch(68.9% 0.114 197.8);
Tailwind
colors: {
custom: {
50: '#78c8ca',
500: '#18b0b4',
950: '#000000',
},
}SCSS
$custom: #18b0b4; $custom-light: #78c8ca; $custom-dark: #000000;
JSON
{
"hex": "#18b0b4",
"rgb": {
"r": 24,
"g": 176,
"b": 180
},
"hsl": {
"h": 181.538,
"s": 76.471,
"l": 40
},
"oklch": {
"l": 0.68872,
"c": 0.11365,
"h": 197.8
},
"luminance": 0.3454
}Semantic roles & 50–950 ramp
primary
#18B0B4
secondary
#CD5E5B
accent
#3A35F3
background
#F8FCFC
surface
#EFF8F8
border
#CAD1D1
text
#0B1313
muted
#7C8282