#17DDC6
Closest named color: Turquoise (#40E0D0). oklch(80.6% 0.142 181.6), rgb(23, 221, 198).
Aa
Black text reads best on this color (12.19:1).
About this color
#17DDC6 is a light, vivid teal or cyan. In OKLCH its lightness is 81%, its chroma 0.142 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.021 away. Black text reads best on it, at 12.19:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.19:1 |
| White text | 1.72:1 |
Values
| HEX | #17DDC6 |
| RGB | rgb(23, 221, 198) |
| HSL | hsl(173, 81%, 48%) |
| OKLCH | oklch(80.6% 0.142 181.6) |
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 #17DDC6 | 1.72:1 | Fails | Lc -34.3 | Non-text elements, placeholder text |
| Black text on #17DDC6 | 12.19:1 | AAA | Lc 73.4 | Content text, not long reading |
| #17DDC6 text on white | 1.72:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #17DDC6 text on black | 12.19:1 | AAA | Lc -72.3 | 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
#E8FAF6
oklch(97.1% 0.02 181.1)
-
Step 100
100
#CDF3EC
oklch(93.5% 0.04 183.1)
-
Step 200
200
#9DEBDD
oklch(88.5% 0.079 181.9)
-
Step 300
300 (this color)
#17DDC6
oklch(80.6% 0.142 181.6)
-
Step 400
400
#00BAA6
oklch(70.8% 0.127 181.5)
-
Step 500
500
#009F8E
oklch(63% 0.113 181.8)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#17DDC6 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) | #D2CFC5 | 0.150 |
| Deuteranopia (no green cones) | #BBBEC8 | 0.143 |
| Tritanopia (no blue cones) | #00E1D6 | 0.022 |
| Achromatopsia (no color) | #C5C5C5 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17DDC6
#17DDC6
oklch(80.6% 0.142 181.6)
- #FF9FBA
#FF9FBA
oklch(80.7% 0.118 1.9)
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 #17DDC6, closest first.
No curated palette has a color within ΔE 0.04 of #17DDC6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.021
- Medium Turquoise #48D1CC ΔE 0.039
- Aqua Marine #2EE8BB ΔE 0.040
- Dark Turquoise #00CED1 ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.052
- Emerald #06D6A0 ΔE 0.052
- Medium Aquamarine #66CDAA ΔE 0.052
- Aqua Blue #02D8E9 ΔE 0.057
Use #17DDC6 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.