#11999E
Closest named color: Teal Green (#0A9396). oklch(62.1% 0.103 199), rgb(17, 153, 158).
Aa
Black text reads best on this color (6.07:1).
About this color
#11999E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.103 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.019 away. Black text reads best on it, at 6.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #11999E |
| RGB | rgb(17, 153, 158) |
| HSL | hsl(182, 81%, 34%) |
| OKLCH | oklch(62.1% 0.103 199) |
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 #11999E | 3.45:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #11999E | 6.07:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #11999E text on white | 3.45:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #11999E text on black | 6.07:1 | AA | Lc -40.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#DFEDED
oklch(93.6% 0.015 196.9)
-
Step 200
200
#C5DFE0
oklch(88.5% 0.028 199.5)
-
Step 300
300
#9BCBCD
oklch(80.9% 0.05 199.4)
-
Step 400
400
#5EB0B4
oklch(70.7% 0.08 199.7)
-
Step 500
500 (this color)
#11999E
oklch(62.1% 0.103 199)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#042D2E
oklch(27.1% 0.043 197.4)
#11999E 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) | #8D919F | 0.106 |
| Deuteranopia (no green cones) | #7B849F | 0.098 |
| Tritanopia (no blue cones) | #009F9A | 0.021 |
| Achromatopsia (no color) | #8A8A8A | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11999E
#11999E
oklch(62.1% 0.103 199)
- #BD6C6E
#BD6C6E
oklch(62.2% 0.103 18.9)
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 #11999E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.019
- Sea #3C9992 ΔE 0.024
- Blue Green #0F9B8E ΔE 0.027
- Persian Green #2A9D8F ΔE 0.030
- Dusty Teal #4C9085 ΔE 0.043
- Dark Cyan #008B8B ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.052
- Teal Blue #01889F ΔE 0.053
Use #11999E 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.