#12BDC2
Closest named color: Topaz (#13BBAF). oklch(72.6% 0.121 198.2), rgb(18, 189, 194).
Aa
Black text reads best on this color (9.08:1).
About this color
#12BDC2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.121 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.027 away. Black text reads best on it, at 9.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.08:1 |
| White text | 2.31:1 |
Values
| HEX | #12BDC2 |
| RGB | rgb(18, 189, 194) |
| HSL | hsl(182, 83%, 42%) |
| OKLCH | oklch(72.6% 0.121 198.2) |
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 #12BDC2 | 2.31:1 | Fails | Lc -49.9 | Large or bold text, headings |
| Black text on #12BDC2 | 9.08:1 | AAA | Lc 59.0 | Large or bold text, headings |
| #12BDC2 text on white | 2.31:1 | Fails | Lc 45.0 | Large or bold text, headings |
| #12BDC2 text on black | 9.08:1 | AAA | Lc -57.1 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DAEFEF
oklch(93.7% 0.022 196.8)
-
Step 200
200
#BAE2E3
oklch(88.5% 0.042 198.3)
-
Step 300
300
#83D0D2
oklch(80.9% 0.076 197.9)
-
Step 400
400 (this color)
#12BDC2
oklch(72.6% 0.121 198.2)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#12BDC2 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) | #AFB4C3 | 0.125 |
| Deuteranopia (no green cones) | #99A4C3 | 0.116 |
| Tritanopia (no blue cones) | #00C4BE | 0.023 |
| Achromatopsia (no color) | #AAAAAA | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12BDC2
#12BDC2
oklch(72.6% 0.121 198.2)
- #E88689
#E88689
oklch(72.6% 0.12 18.5)
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 #12BDC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.027
- Turquoise Blue #06B1C4 ΔE 0.037
- Light Sea Green #20B2AA ΔE 0.040
- Dark Turquoise #00CED1 ΔE 0.048
- Greeny Blue #42B395 ΔE 0.062
- Medium Turquoise #48D1CC ΔE 0.063
- Vivid Sky Blue #4CC9F0 ΔE 0.076
- Medium Aquamarine #66CDAA ΔE 0.079
Use #12BDC2 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.