#11C8A8
Closest named color: Greenblue (#23C48B). oklch(74.5% 0.138 175.4), rgb(17, 200, 168).
Aa
Black text reads best on this color (9.85:1).
About this color
#11C8A8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.138 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.038 away. Black text reads best on it, at 9.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.85:1 |
| White text | 2.13:1 |
Values
| HEX | #11C8A8 |
| RGB | rgb(17, 200, 168) |
| HSL | hsl(170, 84%, 43%) |
| OKLCH | oklch(74.5% 0.138 175.4) |
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 #11C8A8 | 2.13:1 | Fails | Lc -45.8 | Large or bold text, headings |
| Black text on #11C8A8 | 9.85:1 | AAA | Lc 62.7 | Content text, not long reading |
| #11C8A8 text on white | 2.13:1 | Fails | Lc 41.2 | Non-text elements, placeholder text |
| #11C8A8 text on black | 9.85:1 | AAA | Lc -61.1 | 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 400.
-
Step 50
50
#EEF8F5
oklch(97.1% 0.011 176.3)
-
Step 100
100
#DAF0E9
oklch(93.7% 0.025 174.7)
-
Step 200
200
#B9E4D7
oklch(88.5% 0.048 174.8)
-
Step 300
300
#82D3BE
oklch(80.9% 0.086 175.7)
-
Step 400
400 (this color)
#11C8A8
oklch(74.5% 0.138 175.4)
-
Step 500
500
#00A086
oklch(63% 0.118 175.6)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004E40
oklch(37.9% 0.071 175.3)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#11C8A8 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) | #C0BAA7 | 0.144 |
| Deuteranopia (no green cones) | #ABABAA | 0.137 |
| Tritanopia (no blue cones) | #00CBBF | 0.032 |
| Achromatopsia (no color) | #B2B2B2 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11C8A8
#11C8A8
oklch(74.5% 0.138 175.4)
- #EF85B0
#EF85B0
oklch(74.4% 0.138 355.2)
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 #11C8A8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.038
- Green Blue #01C08D ΔE 0.039
- Topaz #13BBAF ΔE 0.043
- Medium Aquamarine #66CDAA ΔE 0.045
- Emerald #06D6A0 ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.057
- Greeny Blue #42B395 ΔE 0.057
- Medium Turquoise #48D1CC ΔE 0.059
Use #11C8A8 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.