#129589
Closest named color: Blue Green (#0F9B8E). oklch(60.4% 0.103 184.7), rgb(18, 149, 137).
Aa
Black text reads best on this color (5.68:1).
About this color
#129589 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.103 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.018 away. Black text reads best on it, at 5.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #129589 |
| RGB | rgb(18, 149, 137) |
| HSL | hsl(175, 78%, 33%) |
| OKLCH | oklch(60.4% 0.103 184.7) |
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 #129589 | 3.69:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #129589 | 5.68:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #129589 text on white | 3.69:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #129589 text on black | 5.68:1 | AA | Lc -37.7 | 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
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C6E0DB
oklch(88.6% 0.028 182.8)
-
Step 300
300
#9CCCC5
oklch(80.9% 0.051 185.2)
-
Step 400
400
#61B1A7
oklch(70.6% 0.081 185.1)
-
Step 500
500 (this color)
#129589
oklch(60.4% 0.103 184.7)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
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
#062D29
oklch(27% 0.043 185)
#129589 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) | #8D8C89 | 0.110 |
| Deuteranopia (no green cones) | #7D808A | 0.104 |
| Tritanopia (no blue cones) | #009891 | 0.012 |
| Achromatopsia (no color) | #858585 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #129589
#129589
oklch(60.4% 0.103 184.7)
- #B56679
#B56679
oklch(60.5% 0.103 5.2)
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 #129589, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.018
- Teal Green #0A9396 ΔE 0.023
- Persian Green #2A9D8F ΔE 0.027
- Sea #3C9992 ΔE 0.028
- Dusty Teal #4C9085 ΔE 0.032
- Dark Cyan #008B8B ΔE 0.033
- Ocean Green #3D9973 ΔE 0.041
- Viridian #1E9167 ΔE 0.048
Use #129589 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.