#18B0B3#18B0B3
#18B0B3 is a light, moderate teal. Relative luminance 0.345; OKLCH L 68.8% C 0.114 H 197.1°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).
Color values
| HEX | #18B0B3 |
|---|---|
| RGB | rgb(24, 176, 179) |
| HSL | hsl(181, 76%, 40%) |
| HSV | hsv(181, 87%, 70%) |
| CMYK | cmyk(86.6%, 1.7%, 0%, 29.8%) |
| CIE-LAB | lab(65.35, -34.48, -11.98) |
| CIE-LCH | lch(65.35, 36.51, 199.16°) |
| OKLab | oklab(68.84% -0.1086 -0.0333) |
| OKLCH | oklch(68.84% 0.114 197.1) |
| XYZ | xyz(24.0349, 34.4964, 48.0308) |
| Luminance | 0.3450 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Lightseagreen
#20B2AA
ΔE00 4.09
Turquoise Blue
#06B1C4
ΔE00 5.74
Topaz
#13BBAF
ΔE00 6.16
Cadetblue
#5F9EA0
ΔE00 7.81
Darkturquoise
#00CED1
ΔE00 7.94
Sea
#3C9992
ΔE00 8.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18B0B3 #B31B18
analogous
#18B368 #18B0B3 #1863B3
triadic
#18B0B3 #B318B0 #B0B318
tetradic
#18B0B3 #6818B3 #B31B18 #63B318
square
#18B0B3 #6818B3 #B31B18 #63B318
split-complementary
#18B0B3 #B31863 #B36818
monochromatic
#0A4647 #117B7D #18B0B3 #26DEE2 #5CE6E9
Accessibility & contrast
On white
2.66
#18B0B3 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.90
#18B0B3 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #18B0B3
7.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18B0B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##18B0B3 | 1.00 | 2.66 | 7.90 | 7.90 |
| #FFFFFF | 2.66 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.90 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.90 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A3A7B3
Deuteranopia (green-blind)
#8F98B4
Tritanopia (blue-blind)
#00B6B1
Achromatopsia (no color)
#9F9F9F
Design tokens & code
CSS
--color: #18b0b3; /* rgb */ color: rgb(24, 176, 179); /* oklch */ color: oklch(68.8% 0.114 197.1);
Tailwind
colors: {
custom: {
50: '#78c8c9',
500: '#18b0b3',
950: '#000000',
},
}SCSS
$custom: #18b0b3; $custom-light: #78c8c9; $custom-dark: #000000;
JSON
{
"hex": "#18b0b3",
"rgb": {
"r": 24,
"g": 176,
"b": 179
},
"hsl": {
"h": 181.161,
"s": 76.355,
"l": 39.804
},
"oklch": {
"l": 0.68835,
"c": 0.11365,
"h": 197.1
},
"luminance": 0.345
}Semantic roles & 50–950 ramp
primary
#18B0B3
secondary
#CD5C5A
accent
#3935F3
background
#F8FCFC
surface
#EFF8F8
border
#CAD1D1
text
#0B1313
muted
#7C8282