#12AAAB
Closest named color: Light Sea Green (#20B2AA). oklch(67% 0.112 195.6), rgb(18, 170, 171).
Aa
Black text reads best on this color (7.36:1).
About this color
#12AAAB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.112 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.025 away. Black text reads best on it, at 7.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.36:1 |
| White text | 2.85:1 |
Values
| HEX | #12AAAB |
| RGB | rgb(18, 170, 171) |
| HSL | hsl(180, 81%, 37%) |
| OKLCH | oklch(67% 0.112 195.6) |
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 #12AAAB | 2.85:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #12AAAB | 7.36:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #12AAAB text on white | 2.85:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #12AAAB text on black | 7.36:1 | AAA | Lc -47.7 | 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
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEEEE
oklch(93.5% 0.02 196.8)
-
Step 200
200
#BDE2E1
oklch(88.6% 0.039 194.5)
-
Step 300
300
#8ACFCF
oklch(80.9% 0.069 195.9)
-
Step 400
400 (this color)
#12AAAB
oklch(67% 0.112 195.6)
-
Step 500
500
#009D9E
oklch(63.1% 0.108 195.6)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#12AAAB 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) | #9EA1AB | 0.116 |
| Deuteranopia (no green cones) | #8A93AC | 0.108 |
| Tritanopia (no blue cones) | #00B0AA | 0.018 |
| Achromatopsia (no color) | #999999 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12AAAB
#12AAAB
oklch(67% 0.112 195.6)
- #D0777E
#D0777E
oklch(66.9% 0.111 15.5)
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 #12AAAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.025
- Turquoise Blue #06B1C4 ΔE 0.037
- Persian Green #2A9D8F ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.048
- Topaz #13BBAF ΔE 0.049
- Sea #3C9992 ΔE 0.051
- Greeny Blue #42B395 ΔE 0.052
- Blue Green #0F9B8E ΔE 0.054
Use #12AAAB 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.