#178372
Closest named color: Teal (#008080). oklch(54.9% 0.095 178.8), rgb(23, 131, 114).
Aa
White text reads best on this color (4.63:1).
About this color
#178372 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.095 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.027 away. White text reads best on it, at 4.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.52:1 |
| White text | 4.63:1 |
Values
| HEX | #178372 |
| RGB | rgb(23, 131, 114) |
| HSL | hsl(171, 70%, 30%) |
| OKLCH | oklch(54.9% 0.095 178.8) |
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 #178372 | 4.63:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #178372 | 4.52:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #178372 text on white | 4.63:1 | AA | Lc 71.8 | Content text, not long reading |
| #178372 text on black | 4.52:1 | AA | Lc -29.9 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#C9DFD9
oklch(88.6% 0.025 177.6)
-
Step 300
300
#A4CAC1
oklch(80.9% 0.042 179.2)
-
Step 400
400
#70AFA1
oklch(70.7% 0.068 178.6)
-
Step 500
500
#449B8A
oklch(63.1% 0.088 178.5)
-
Step 600
600 (this color)
#178372
oklch(54.9% 0.095 178.8)
-
Step 700
700
#067161
oklch(49.2% 0.089 178.2)
-
Step 800
800
#0F5C50
oklch(42.8% 0.073 179.2)
-
Step 900
900
#184B42
oklch(37.6% 0.056 179.4)
-
Step 950
950
#102C27
oklch(27% 0.035 180.2)
#178372 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) | #7D7A71 | 0.100 |
| Deuteranopia (no green cones) | #6F7073 | 0.095 |
| Tritanopia (no blue cones) | #00857E | 0.017 |
| Achromatopsia (no color) | #757575 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #178372
#178372
oklch(54.9% 0.095 178.8)
- #9D5870
#9D5870
oklch(54.7% 0.095 358.5)
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 #178372, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.027
- Bluegreen #017A79 ΔE 0.035
- Dark Cyan #008B8B ΔE 0.039
- Deep Aqua #08787F ΔE 0.046
- Viridian #1E9167 ΔE 0.052
- Dark Aquamarine #017371 ΔE 0.052
- Deep Turquoise #017374 ΔE 0.053
- Sea Green #2E8B57 ΔE 0.054
Use #178372 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.