#18939E
Closest named color: Teal Green (#0A9396). oklch(60.7% 0.099 204.6), rgb(24, 147, 158).
Aa
Black text reads best on this color (5.70:1).
About this color
#18939E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.099 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.014 away. Black text reads best on it, at 5.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.70:1 |
| White text | 3.68:1 |
Values
| HEX | #18939E |
| RGB | rgb(24, 147, 158) |
| HSL | hsl(185, 74%, 36%) |
| OKLCH | oklch(60.7% 0.099 204.6) |
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 #18939E | 3.68:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #18939E | 5.70:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #18939E text on white | 3.68:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #18939E text on black | 5.70:1 | AA | Lc -37.7 | 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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C6DFE1
oklch(88.6% 0.027 202.5)
-
Step 300
300
#9DCACF
oklch(80.9% 0.048 204.7)
-
Step 400
400
#61AFB7
oklch(70.7% 0.078 204.2)
-
Step 500
500 (this color)
#18939E
oklch(60.7% 0.099 204.6)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#072C30
oklch(27% 0.041 205.5)
#18939E 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) | #868D9F | 0.098 |
| Deuteranopia (no green cones) | #75809E | 0.090 |
| Tritanopia (no blue cones) | #009A96 | 0.028 |
| Achromatopsia (no color) | #858585 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18939E
#18939E
oklch(60.7% 0.099 204.6)
- #B66A64
#B66A64
oklch(60.7% 0.098 25.2)
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 #18939E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.014
- Sea #3C9992 ΔE 0.035
- Dark Cyan #008B8B ΔE 0.035
- Teal Blue #01889F ΔE 0.035
- Blue Green #0F9B8E ΔE 0.040
- Dusty Teal #4C9085 ΔE 0.043
- Persian Green #2A9D8F ΔE 0.044
- Blue NCS #118AB2 ΔE 0.047
Use #18939E 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.