#189C90
Closest named color: Blue Green (#0F9B8E). oklch(62.5% 0.106 185), rgb(24, 156, 144).
Aa
Black text reads best on this color (6.19:1).
About this color
#189C90 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.106 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.005 away. Black text reads best on it, at 6.19:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 6.19:1 |
| White text | 3.38:1 |
Values
| HEX | #189C90 |
| RGB | rgb(24, 156, 144) |
| HSL | hsl(175, 73%, 35%) |
| OKLCH | oklch(62.5% 0.106 185) |
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 #189C90 | 3.38:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #189C90 | 6.19:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #189C90 text on white | 3.38:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #189C90 text on black | 6.19:1 | AA | Lc -40.8 | 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 500.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#DFEDEB
oklch(93.5% 0.015 186.7)
-
Step 200
200
#C5E0DB
oklch(88.5% 0.029 183.3)
-
Step 300
300
#9BCCC5
oklch(80.9% 0.052 185.4)
-
Step 400
400
#5FB2A7
oklch(70.8% 0.083 184.4)
-
Step 500
500 (this color)
#189C90
oklch(62.5% 0.106 185)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#052D29
oklch(26.9% 0.044 185.1)
#189C90 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) | #949390 | 0.113 |
| Deuteranopia (no green cones) | #838691 | 0.107 |
| Tritanopia (no blue cones) | #00A098 | 0.014 |
| Achromatopsia (no color) | #8B8B8B | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #189C90
#189C90
oklch(62.5% 0.106 185)
- #BD6B7F
#BD6B7F
oklch(62.5% 0.106 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 #189C90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.005
- Persian Green #2A9D8F ΔE 0.008
- Sea #3C9992 ΔE 0.019
- Teal Green #0A9396 ΔE 0.032
- Dusty Teal #4C9085 ΔE 0.040
- Ocean Green #3D9973 ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.044
- Dull Teal #5F9E8F ΔE 0.047
Use #189C90 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.