#189E98
Closest named color: Persian Green (#2A9D8F). oklch(63.3% 0.105 189.9), rgb(24, 158, 152).
Aa
Black text reads best on this color (6.38:1).
About this color
#189E98 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.105 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.013 away. Black text reads best on it, at 6.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #189E98 |
| RGB | rgb(24, 158, 152) |
| HSL | hsl(177, 74%, 36%) |
| OKLCH | oklch(63.3% 0.105 189.9) |
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 #189E98 | 3.28:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #189E98 | 6.38:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #189E98 text on white | 3.28:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #189E98 text on black | 6.38:1 | AA | Lc -41.9 | 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
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C5E0DD
oklch(88.6% 0.029 188.5)
-
Step 300
300
#9BCCC8
oklch(81% 0.051 190)
-
Step 400
400
#5DB1AC
oklch(70.6% 0.082 190.4)
-
Step 500
500 (this color)
#189E98
oklch(63.3% 0.105 189.9)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#042D2B
oklch(27% 0.043 190)
#189E98 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) | #949598 | 0.111 |
| Deuteranopia (no green cones) | #838899 | 0.105 |
| Tritanopia (no blue cones) | #00A39C | 0.014 |
| Achromatopsia (no color) | #8E8E8E | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #189E98
#189E98
oklch(63.3% 0.105 189.9)
- #C06E7B
#C06E7B
oklch(63.3% 0.105 10.3)
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 #189E98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.013
- Blue Green #0F9B8E ΔE 0.016
- Sea #3C9992 ΔE 0.019
- Teal Green #0A9396 ΔE 0.034
- Grey Teal #5E9B8A ΔE 0.044
- Dull Teal #5F9E8F ΔE 0.045
- Dusty Teal #4C9085 ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.049
Use #189E98 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.