#12ADDF
Closest named color: Turquoise Blue (#06B1C4). oklch(69.9% 0.134 228.1), rgb(18, 173, 223).
Aa
Black text reads best on this color (8.06:1).
About this color
#12ADDF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.134 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.046 away. Black text reads best on it, at 8.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.06:1 |
| White text | 2.60:1 |
Values
| HEX | #12ADDF |
| RGB | rgb(18, 173, 223) |
| HSL | hsl(195, 85%, 47%) |
| OKLCH | oklch(69.9% 0.134 228.1) |
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 #12ADDF | 2.60:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #12ADDF | 8.06:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #12ADDF text on white | 2.60:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #12ADDF text on black | 8.06:1 | AAA | Lc -51.7 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#DAEDF7
oklch(93.5% 0.024 230.4)
-
Step 200
200
#BAE0F2
oklch(88.5% 0.047 228.2)
-
Step 300
300
#85CCEB
oklch(80.9% 0.083 227.4)
-
Step 400
400 (this color)
#12ADDF
oklch(69.9% 0.134 228.1)
-
Step 500
500
#0097C4
oklch(63.2% 0.123 228.1)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#12ADDF 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) | #93AAE1 | 0.096 |
| Deuteranopia (no green cones) | #7A99DE | 0.081 |
| Tritanopia (no blue cones) | #00BBBE | 0.073 |
| Achromatopsia (no color) | #A0A0A0 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12ADDF
#12ADDF
oklch(69.9% 0.134 228.1)
- #E0824F
#E0824F
oklch(69.9% 0.134 48)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #12ADDF
These curated palettes and gradients contain exactly #12ADDF. Open one to see the full color scheme around it.
Palettes
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.046
- Deep Sky Blue #00BFFF ΔE 0.060
- Chefchaouen Blue #4895EF ΔE 0.076
- Greyblue #77A1B5 ΔE 0.081
- Cornflower Blue #6495ED ΔE 0.083
- Vivid Sky Blue #4CC9F0 ΔE 0.085
- Light Sea Green #20B2AA ΔE 0.085
- Dark Sky Blue #448EE4 ΔE 0.087
Use #12ADDF 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.