#12ABC7
Closest named color: Turquoise Blue (#06B1C4). oklch(68.3% 0.118 215.3), rgb(18, 171, 199).
Aa
Black text reads best on this color (7.67:1).
About this color
#12ABC7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.118 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.019 away. Black text reads best on it, at 7.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.67:1 |
| White text | 2.73:1 |
Values
| HEX | #12ABC7 |
| RGB | rgb(18, 171, 199) |
| HSL | hsl(189, 83%, 43%) |
| OKLCH | oklch(68.3% 0.118 215.3) |
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 #12ABC7 | 2.73:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #12ABC7 | 7.67:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #12ABC7 text on white | 2.73:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #12ABC7 text on black | 7.67:1 | AAA | Lc -49.5 | 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
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#DBEEF3
oklch(93.7% 0.021 215.3)
-
Step 200
200
#BBE1EA
oklch(88.5% 0.042 213.7)
-
Step 300
300
#88CDDF
oklch(80.9% 0.074 216)
-
Step 400
400 (this color)
#12ABC7
oklch(68.3% 0.118 215.3)
-
Step 500
500
#009AB4
oklch(63.2% 0.112 215.3)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D80
oklch(49.2% 0.087 215.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#12ABC7 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) | #98A5C9 | 0.105 |
| Deuteranopia (no green cones) | #8295C7 | 0.095 |
| Tritanopia (no blue cones) | #00B5B4 | 0.047 |
| Achromatopsia (no color) | #9C9C9C | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12ABC7
#12ABC7
oklch(68.3% 0.118 215.3)
- #D87D66
#D87D66
oklch(68.4% 0.119 35.1)
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 #12ABC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.019
- Light Sea Green #20B2AA ΔE 0.054
- Cadet Blue #5F9EA0 ΔE 0.065
- Greyblue #77A1B5 ΔE 0.067
- Topaz #13BBAF ΔE 0.067
- Sea #3C9992 ΔE 0.081
- Bluegrey #85A3B2 ΔE 0.082
- Persian Green #2A9D8F ΔE 0.082
Use #12ABC7 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.