#18ACB3#18ACB3
#18ACB3 is a light, moderate teal. Relative luminance 0.330; OKLCH L 67.8% C 0.112 H 200.2°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).
Color values
| HEX | #18ACB3 |
|---|---|
| RGB | rgb(24, 172, 179) |
| HSL | hsl(183, 76%, 40%) |
| HSV | hsv(183, 87%, 70%) |
| CMYK | cmyk(86.6%, 3.9%, 0%, 29.8%) |
| CIE-LAB | lab(64.12, -32.59, -13.83) |
| CIE-LCH | lch(64.12, 35.41, 203.00°) |
| OKLab | oklab(67.83% -0.1049 -0.0385) |
| OKLCH | oklch(67.83% 0.112 200.2) |
| XYZ | xyz(23.2621, 32.9509, 47.7732) |
| Luminance | 0.3295 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.45
Lightseagreen
#20B2AA
ΔE00 5.80
Cadetblue
#5F9EA0
ΔE00 7.01
Sea
#3C9992
ΔE00 8.01
Topaz
#13BBAF
ΔE00 8.04
Darkturquoise
#00CED1
ΔE00 9.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18ACB3 #B31F18
analogous
#18B36D #18ACB3 #185EB3
triadic
#18ACB3 #B318AC #ACB318
tetradic
#18ACB3 #6D18B3 #B31F18 #5EB318
square
#18ACB3 #6D18B3 #B31F18 #5EB318
split-complementary
#18ACB3 #B3185E #B36D18
monochromatic
#0A4447 #11787D #18ACB3 #26D9E2 #5CE3E9
Accessibility & contrast
On white
2.77
#18ACB3 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.59
#18ACB3 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #18ACB3
7.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18ACB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##18ACB3 | 1.00 | 2.77 | 7.59 | 7.59 |
| #FFFFFF | 2.77 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.59 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.59 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9EA4B4
Deuteranopia (green-blind)
#8A95B4
Tritanopia (blue-blind)
#00B3AE
Achromatopsia (no color)
#9B9B9B
Design tokens & code
CSS
--color: #18acb3; /* rgb */ color: rgb(24, 172, 179); /* oklch */ color: oklch(67.8% 0.112 200.2);
Tailwind
colors: {
custom: {
50: '#77c5c9',
500: '#18acb3',
950: '#000000',
},
}SCSS
$custom: #18acb3; $custom-light: #77c5c9; $custom-dark: #000000;
JSON
{
"hex": "#18acb3",
"rgb": {
"r": 24,
"g": 172,
"b": 179
},
"hsl": {
"h": 182.71,
"s": 76.355,
"l": 39.804
},
"oklch": {
"l": 0.67833,
"c": 0.1117,
"h": 200.2
},
"luminance": 0.32954
}Semantic roles & 50–950 ramp
primary
#18ACB3
secondary
#CD5F5A
accent
#3D35F3
background
#F8FCFC
surface
#EFF8F8
border
#CAD1D1
text
#0B1313
muted
#7C8282