#17CDA5
Closest named color: Emerald (#06D6A0). oklch(75.7% 0.144 171.7), rgb(23, 205, 165).
Aa
Black text reads best on this color (10.31:1).
About this color
#17CDA5 is a medium-light, vivid teal or cyan. In OKLCH its lightness is 76%, its chroma 0.144 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.029 away. Black text reads best on it, at 10.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.31:1 |
| White text | 2.03:1 |
Values
| HEX | #17CDA5 |
| RGB | rgb(23, 205, 165) |
| HSL | hsl(167, 80%, 45%) |
| OKLCH | oklch(75.7% 0.144 171.7) |
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 #17CDA5 | 2.03:1 | Fails | Lc -43.5 | Non-text elements, placeholder text |
| Black text on #17CDA5 | 10.31:1 | AAA | Lc 64.9 | Content text, not long reading |
| #17CDA5 text on white | 2.03:1 | Fails | Lc 39.0 | Non-text elements, placeholder text |
| #17CDA5 text on black | 10.31:1 | AAA | Lc -63.3 | 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 400.
-
Step 50
50
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#D9F0E8
oklch(93.6% 0.026 172.9)
-
Step 200
200
#B9E4D5
oklch(88.4% 0.049 171.9)
-
Step 300
300
#81D4BA
oklch(80.9% 0.09 171.9)
-
Step 400
400 (this color)
#17CDA5
oklch(75.7% 0.144 171.7)
-
Step 500
500
#00A180
oklch(63.1% 0.123 171.4)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E23
oklch(26.8% 0.052 171.9)
#17CDA5 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) | #C6BFA3 | 0.147 |
| Deuteranopia (no green cones) | #B2AFA8 | 0.144 |
| Tritanopia (no blue cones) | #00CFC2 | 0.040 |
| Achromatopsia (no color) | #B6B6B6 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17CDA5
#17CDA5
oklch(75.7% 0.144 171.7)
- #F487BA
#F487BA
oklch(75.6% 0.144 351.7)
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 #17CDA5, closest first.
No curated palette has a color within ΔE 0.04 of #17CDA5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.029
- Greenblue #23C48B ΔE 0.037
- Medium Aquamarine #66CDAA ΔE 0.040
- Green Blue #01C08D ΔE 0.044
- Topaz #13BBAF ΔE 0.059
- Medium Turquoise #48D1CC ΔE 0.061
- Seaweed #18D17B ΔE 0.061
- Dark Turquoise #00CED1 ΔE 0.063
Use #17CDA5 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.