#189173
Closest named color: Viridian (#1E9167). oklch(58.7% 0.11 170.6), rgb(24, 145, 115).
Aa
Black text reads best on this color (5.33:1).
About this color
#189173 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.110 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.017 away. Black text reads best on it, at 5.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #189173 |
| RGB | rgb(24, 145, 115) |
| HSL | hsl(165, 72%, 33%) |
| OKLCH | oklch(58.7% 0.11 170.6) |
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 #189173 | 3.93:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #189173 | 5.33:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #189173 text on white | 3.93:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #189173 text on black | 5.33:1 | AA | Lc -35.4 | Non-text elements, placeholder text |
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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C8DFD6
oklch(88.4% 0.027 170.2)
-
Step 300
300
#A1CBBC
oklch(80.8% 0.049 171.2)
-
Step 400
400
#6BB19A
oklch(70.7% 0.079 171)
-
Step 500
500
#3B9D81
oklch(63.1% 0.101 170.9)
-
Step 600
600 (this color)
#189173
oklch(58.7% 0.11 170.6)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#114D3D
oklch(37.8% 0.066 170.9)
-
Step 950
950
#0D2D23
oklch(27% 0.042 169.5)
#189173 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) | #8D8771 | 0.113 |
| Deuteranopia (no green cones) | #7E7C75 | 0.108 |
| Tritanopia (no blue cones) | #009288 | 0.031 |
| Achromatopsia (no color) | #808080 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #189173
#189173
oklch(58.7% 0.11 170.6)
- #AD5F85
#AD5F85
oklch(58.7% 0.111 350.5)
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 #189173, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.017
- Ocean Green #3D9973 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.037
- Blue Green #0F9B8E ΔE 0.043
- Dusty Teal #4C9085 ΔE 0.046
- Dark Cyan #008B8B ΔE 0.046
- Persian Green #2A9D8F ΔE 0.050
- Light Forest Green #4F9153 ΔE 0.050
Use #189173 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.