#17817A
Closest named color: Teal (#008080). oklch(54.6% 0.09 187.9), rgb(23, 129, 122).
Aa
White text reads best on this color (4.71:1).
About this color
#17817A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.090 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.012 away. White text reads best on it, at 4.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #17817A |
| RGB | rgb(23, 129, 122) |
| HSL | hsl(176, 70%, 30%) |
| OKLCH | oklch(54.6% 0.09 187.9) |
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 #17817A | 4.71:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #17817A | 4.45:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #17817A text on white | 4.71:1 | AA | Lc 72.3 | Content text, not long reading |
| #17817A text on black | 4.45:1 | AA large text | Lc -29.4 | Dividers and decoration only |
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 600.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300
#A4C9C5
oklch(80.8% 0.04 188.3)
-
Step 400
400
#70AEA8
oklch(70.7% 0.065 188.1)
-
Step 500
500
#459A93
oklch(63.2% 0.083 188)
-
Step 600
600 (this color)
#17817A
oklch(54.6% 0.09 187.9)
-
Step 700
700
#097069
oklch(49.2% 0.084 187.1)
-
Step 800
800
#105B56
oklch(42.7% 0.069 188)
-
Step 900
900
#184B47
oklch(37.8% 0.054 187.9)
-
Step 950
950
#102C29
oklch(27% 0.034 186.1)
#17817A 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) | #79797A | 0.095 |
| Deuteranopia (no green cones) | #6B6F7B | 0.090 |
| Tritanopia (no blue cones) | #00847F | 0.010 |
| Achromatopsia (no color) | #737373 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17817A
#17817A
oklch(54.6% 0.09 187.9)
- #9D5966
#9D5966
oklch(54.6% 0.09 8.2)
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 #17817A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.012
- Bluegreen #017A79 ΔE 0.024
- Deep Aqua #08787F ΔE 0.033
- Dark Cyan #008B8B ΔE 0.034
- Deep Turquoise #017374 ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.045
- Ocean #017B92 ΔE 0.048
- Teal Blue #01889F ΔE 0.056
Use #17817A 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.