#108D91
Closest named color: Dark Cyan (#008B8B). oklch(58.5% 0.097 198.5), rgb(16, 141, 145).
Aa
Black text reads best on this color (5.24:1).
About this color
#108D91 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.097 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.011 away. Black text reads best on it, at 5.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #108D91 |
| RGB | rgb(16, 141, 145) |
| HSL | hsl(182, 80%, 32%) |
| OKLCH | oklch(58.5% 0.097 198.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #108D91 | 4.00:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #108D91 | 5.24:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #108D91 text on white | 4.00:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #108D91 text on black | 5.24:1 | AA | Lc -34.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1EDED
oklch(93.7% 0.013 196.9)
-
Step 200
200
#C8DEDF
oklch(88.5% 0.024 200.1)
-
Step 300
300
#A1CACB
oklch(81% 0.043 198.2)
-
Step 400
400
#69AEB1
oklch(70.6% 0.07 199.3)
-
Step 500
500
#399A9D
oklch(63.2% 0.089 198)
-
Step 600
600 (this color)
#108D91
oklch(58.5% 0.097 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#0F4B4D
oklch(37.8% 0.058 198.3)
-
Step 950
950
#0C2C2D
oklch(27% 0.037 198.1)
#108D91 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #828691 | 0.099 |
| Deuteranopia (no green cones) | #717A92 | 0.092 |
| Tritanopia (no blue cones) | #00928E | 0.017 |
| Achromatopsia (no color) | #7F7F7F | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #108D91
#108D91
oklch(58.5% 0.097 198.5)
- #AE6365
#AE6365
oklch(58.5% 0.097 18.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #108D91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.011
- Teal Green #0A9396 ΔE 0.018
- Teal Blue #01889F ΔE 0.030
- Dusty Teal #4C9085 ΔE 0.040
- Teal #008080 ΔE 0.043
- Blue Green #0F9B8E ΔE 0.045
- Sea #3C9992 ΔE 0.045
- Persian Green #2A9D8F ΔE 0.052
Use #108D91 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.