#12E2C2
Closest named color: Aqua Marine (#2EE8BB). oklch(81.7% 0.149 177.4), rgb(18, 226, 194).
Aa
Black text reads best on this color (12.68:1).
About this color
#12E2C2 is a light, vivid teal or cyan. In OKLCH its lightness is 82%, its chroma 0.149 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.023 away. Black text reads best on it, at 12.68:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.68:1 |
| White text | 1.65:1 |
Values
| HEX | #12E2C2 |
| RGB | rgb(18, 226, 194) |
| HSL | hsl(171, 85%, 48%) |
| OKLCH | oklch(81.7% 0.149 177.4) |
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 #12E2C2 | 1.65:1 | Fails | Lc -31.9 | Non-text elements, placeholder text |
| Black text on #12E2C2 | 12.68:1 | AAA | Lc 75.5 | Fine for body text |
| #12E2C2 text on white | 1.65:1 | Fails | Lc 28.3 | Dividers and decoration only |
| #12E2C2 text on black | 12.68:1 | AAA | Lc -74.6 | 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
#CCF4E9
oklch(93.6% 0.044 176.8)
-
Step 200
200
#9CECD8
oklch(88.6% 0.084 176.8)
-
Step 300
300 (this color)
#12E2C2
oklch(81.7% 0.149 177.4)
-
Step 400
400
#00BBA0
oklch(70.8% 0.131 177.4)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#12E2C2 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) | #D9D3C1 | 0.158 |
| Deuteranopia (no green cones) | #C1C2C5 | 0.150 |
| Tritanopia (no blue cones) | #00E5D8 | 0.030 |
| Achromatopsia (no color) | #C9C9C9 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12E2C2
#12E2C2
oklch(81.7% 0.149 177.4)
- #FFA4C4
#FFA4C4
oklch(81.8% 0.114 357.3)
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 #12E2C2, closest first.
No curated palette has a color within ΔE 0.04 of #12E2C2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.023
- Turquoise #40E0D0 ΔE 0.027
- Emerald #06D6A0 ΔE 0.050
- Medium Turquoise #48D1CC ΔE 0.055
- Seafoam Blue #78D1B6 ΔE 0.059
- Medium Aquamarine #66CDAA ΔE 0.060
- Aqua Green #12E193 ΔE 0.063
- Bright Teal #01F9C6 ΔE 0.064
Use #12E2C2 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.