#17CCCD
Closest named color: Dark Turquoise (#00CED1). oklch(76.7% 0.128 195.5), rgb(23, 204, 205).
Aa
Black text reads best on this color (10.55:1).
About this color
#17CCCD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 77%, its chroma 0.128 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.007 away. Black text reads best on it, at 10.55:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.55:1 |
| White text | 1.98:1 |
Values
| HEX | #17CCCD |
| RGB | rgb(23, 204, 205) |
| HSL | hsl(180, 80%, 45%) |
| OKLCH | oklch(76.7% 0.128 195.5) |
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 #17CCCD | 1.98:1 | Fails | Lc -42.3 | Non-text elements, placeholder text |
| Black text on #17CCCD | 10.55:1 | AAA | Lc 66.0 | Content text, not long reading |
| #17CCCD text on white | 1.98:1 | Fails | Lc 37.9 | Non-text elements, placeholder text |
| #17CCCD text on black | 10.55:1 | AAA | Lc -64.5 | 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
#E9F9F9
oklch(97% 0.017 196.9)
-
Step 100
100
#CEF2F2
oklch(93.6% 0.037 196.5)
-
Step 200
200
#A1E8E8
oklch(88.4% 0.071 195.9)
-
Step 300
300 (this color)
#17CCCD
oklch(76.7% 0.128 195.5)
-
Step 400
400
#00B7B8
oklch(70.6% 0.12 195.5)
-
Step 500
500
#009D9E
oklch(63.1% 0.108 195.6)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#17CCCD 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) | #BDC1CD | 0.133 |
| Deuteranopia (no green cones) | #A6B1CE | 0.123 |
| Tritanopia (no blue cones) | #00D3CC | 0.020 |
| Achromatopsia (no color) | #B8B8B8 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17CCCD
#17CCCD
oklch(76.7% 0.128 195.5)
- #FA9098
#FA9098
oklch(76.8% 0.128 15.7)
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 #17CCCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.007
- Medium Turquoise #48D1CC ΔE 0.025
- Aqua Blue #02D8E9 ΔE 0.045
- Topaz #13BBAF ΔE 0.056
- Medium Aquamarine #66CDAA ΔE 0.058
- Turquoise #40E0D0 ΔE 0.060
- Vivid Sky Blue #4CC9F0 ΔE 0.061
- Seafoam Blue #78D1B6 ΔE 0.063
Use #17CCCD 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.