#12AABC
Closest named color: Turquoise Blue (#06B1C4). oklch(67.6% 0.114 208.4), rgb(18, 170, 188).
Aa
Black text reads best on this color (7.50:1).
About this color
#12AABC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.114 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.020 away. Black text reads best on it, at 7.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.50:1 |
| White text | 2.79:1 |
Values
| HEX | #12AABC |
| RGB | rgb(18, 170, 188) |
| HSL | hsl(186, 83%, 40%) |
| OKLCH | oklch(67.6% 0.114 208.4) |
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 #12AABC | 2.79:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #12AABC | 7.50:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #12AABC text on white | 2.79:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #12AABC text on black | 7.50:1 | AAA | Lc -48.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DBEEF1
oklch(93.6% 0.021 208.1)
-
Step 200
200
#BCE1E7
oklch(88.5% 0.04 208.4)
-
Step 300
300
#89CED9
oklch(80.9% 0.071 208.5)
-
Step 400
400 (this color)
#12AABC
oklch(67.6% 0.114 208.4)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C32
oklch(26.8% 0.046 208.8)
#12AABC 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) | #9AA3BD | 0.109 |
| Deuteranopia (no green cones) | #8594BC | 0.099 |
| Tritanopia (no blue cones) | #00B2AF | 0.035 |
| Achromatopsia (no color) | #9A9A9A | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12AABC
#12AABC
oklch(67.6% 0.114 208.4)
- #D47B6F
#D47B6F
oklch(67.7% 0.113 28.5)
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 #12AABC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.020
- Light Sea Green #20B2AA ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.054
- Topaz #13BBAF ΔE 0.059
- Sea #3C9992 ΔE 0.066
- Greyblue #77A1B5 ΔE 0.067
- Persian Green #2A9D8F ΔE 0.067
- Dull Teal #5F9E8F ΔE 0.070
Use #12AABC 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.