#129AA1
Closest named color: Teal Green (#0A9396). oklch(62.5% 0.103 200.7), rgb(18, 154, 161).
Aa
Black text reads best on this color (6.16:1).
About this color
#129AA1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.103 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.024 away. Black text reads best on it, at 6.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #129AA1 |
| RGB | rgb(18, 154, 161) |
| HSL | hsl(183, 80%, 35%) |
| OKLCH | oklch(62.5% 0.103 200.7) |
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 #129AA1 | 3.40:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #129AA1 | 6.16:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #129AA1 text on white | 3.40:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #129AA1 text on black | 6.16:1 | AA | Lc -40.6 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C5DFE1
oklch(88.5% 0.028 202.3)
-
Step 300
300
#9BCBCE
oklch(80.9% 0.05 201)
-
Step 400
400
#5DB0B5
oklch(70.7% 0.081 200.6)
-
Step 500
500 (this color)
#129AA1
oklch(62.5% 0.103 200.7)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#042D2F
oklch(27.1% 0.043 199.9)
#129AA1 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) | #8D93A2 | 0.104 |
| Deuteranopia (no green cones) | #7B85A2 | 0.098 |
| Tritanopia (no blue cones) | #00A09C | 0.022 |
| Achromatopsia (no color) | #8B8B8B | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #129AA1
#129AA1
oklch(62.5% 0.103 200.7)
- #BE6D6D
#BE6D6D
oklch(62.5% 0.103 20.4)
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 #129AA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.024
- Sea #3C9992 ΔE 0.026
- Blue Green #0F9B8E ΔE 0.031
- Persian Green #2A9D8F ΔE 0.032
- Dusty Teal #4C9085 ΔE 0.047
- Dark Cyan #008B8B ΔE 0.050
- Cadet Blue #5F9EA0 ΔE 0.050
- Grey Teal #5E9B8A ΔE 0.055
Use #129AA1 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.