#17D7DE
Closest named color: Aqua Blue (#02D8E9). oklch(80% 0.134 199.1), rgb(23, 215, 222).
Aa
Black text reads best on this color (11.81:1).
About this color
#17D7DE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 80%, its chroma 0.134 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.015 away. Black text reads best on it, at 11.81:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 11.81:1 |
| White text | 1.77:1 |
Values
| HEX | #17D7DE |
| RGB | rgb(23, 215, 222) |
| HSL | hsl(182, 81%, 48%) |
| OKLCH | oklch(80% 0.134 199.1) |
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 #17D7DE | 1.77:1 | Fails | Lc -36.1 | Non-text elements, placeholder text |
| Black text on #17D7DE | 11.81:1 | AAA | Lc 71.7 | Content text, not long reading |
| #17D7DE text on white | 1.77:1 | Fails | Lc 32.1 | Non-text elements, placeholder text |
| #17D7DE text on black | 11.81:1 | AAA | Lc -70.5 | Content text, not long reading |
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 300.
-
Step 50
50
#E8F9FA
oklch(97% 0.018 201.1)
-
Step 100
100
#CDF2F4
oklch(93.5% 0.038 200.5)
-
Step 200
200
#9EE9EC
oklch(88.6% 0.074 199.1)
-
Step 300
300 (this color)
#17D7DE
oklch(80% 0.134 199.1)
-
Step 400
400
#00B7BD
oklch(70.8% 0.12 199)
-
Step 500
500
#009DA2
oklch(63.2% 0.107 198.8)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#17D7DE 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) | #C6CDDF | 0.136 |
| Deuteranopia (no green cones) | #AEBBDF | 0.126 |
| Tritanopia (no blue cones) | #00DFD9 | 0.026 |
| Achromatopsia (no color) | #C2C2C2 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17D7DE
#17D7DE
oklch(80% 0.134 199.1)
- #FF9FA0
#FF9FA0
oklch(80% 0.115 19.3)
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 #17D7DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.015
- Medium Turquoise #48D1CC ΔE 0.027
- Dark Turquoise #00CED1 ΔE 0.028
- Turquoise #40E0D0 ΔE 0.039
- Vivid Sky Blue #4CC9F0 ΔE 0.056
- Bright Sky Blue #02CCFE ΔE 0.063
- Seafoam Blue #78D1B6 ΔE 0.065
- Medium Aquamarine #66CDAA ΔE 0.071
Use #17D7DE 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.