#12DDBB
Closest named color: Aqua Marine (#2EE8BB). oklch(80.3% 0.148 176), rgb(18, 221, 187).
Aa
Black text reads best on this color (12.08:1).
About this color
#12DDBB is a light, vivid teal or cyan. In OKLCH its lightness is 80%, its chroma 0.148 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.033 away. Black text reads best on it, at 12.08:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.08:1 |
| White text | 1.73:1 |
Values
| HEX | #12DDBB |
| RGB | rgb(18, 221, 187) |
| HSL | hsl(170, 85%, 47%) |
| OKLCH | oklch(80.3% 0.148 176) |
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 #12DDBB | 1.73:1 | Fails | Lc -34.7 | Non-text elements, placeholder text |
| Black text on #12DDBB | 12.08:1 | AAA | Lc 72.9 | Content text, not long reading |
| #12DDBB text on white | 1.73:1 | Fails | Lc 30.9 | Non-text elements, placeholder text |
| #12DDBB text on black | 12.08:1 | AAA | Lc -71.9 | Content text, not long reading |
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 300.
-
Step 50
50
#E8FAF5
oklch(97% 0.02 177.5)
-
Step 100
100
#CDF4E9
oklch(93.6% 0.043 176.4)
-
Step 200
200
#9DEBD7
oklch(88.4% 0.082 176.4)
-
Step 300
300 (this color)
#12DDBB
oklch(80.3% 0.148 176)
-
Step 400
400
#00BB9D
oklch(70.7% 0.133 175.7)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#12DDBB 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) | #D4CEB9 | 0.155 |
| Deuteranopia (no green cones) | #BDBDBE | 0.149 |
| Tritanopia (no blue cones) | #00E0D3 | 0.032 |
| Achromatopsia (no color) | #C4C4C4 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12DDBB
#12DDBB
oklch(80.3% 0.148 176)
- #FF9BC1
#FF9BC1
oklch(80.2% 0.127 356)
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 #12DDBB, closest first.
No curated palette has a color within ΔE 0.04 of #12DDBB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.033
- Turquoise #40E0D0 ΔE 0.034
- Emerald #06D6A0 ΔE 0.038
- Medium Aquamarine #66CDAA ΔE 0.049
- Medium Turquoise #48D1CC ΔE 0.050
- Seafoam Blue #78D1B6 ΔE 0.054
- Aqua Green #12E193 ΔE 0.059
- Dark Turquoise #00CED1 ΔE 0.061
Use #12DDBB 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.