#6BBBB1
Closest named color: Topaz (#13BBAF). oklch(73.8% 0.081 185.3), rgb(107, 187, 177).
Aa
Black text reads best on this color (9.36:1).
About this color
#6BBBB1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.081 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.048 away. Black text reads best on it, at 9.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.36:1 |
| White text | 2.24:1 |
Values
| HEX | #6BBBB1 |
| RGB | rgb(107, 187, 177) |
| HSL | hsl(173, 37%, 58%) |
| OKLCH | oklch(73.8% 0.081 185.3) |
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 #6BBBB1 | 2.24:1 | Fails | Lc -48.8 | Large or bold text, headings |
| Black text on #6BBBB1 | 9.36:1 | AAA | Lc 59.9 | Large or bold text, headings |
| #6BBBB1 text on white | 2.24:1 | Fails | Lc 44.0 | Non-text elements, placeholder text |
| #6BBBB1 text on black | 9.36:1 | AAA | Lc -58.1 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C6DFDB
oklch(88.4% 0.027 185.1)
-
Step 300
300
#9DCCC5
oklch(81% 0.05 185)
-
Step 400
400 (this color)
#6BBBB1
oklch(73.8% 0.081 185.3)
-
Step 500
500
#249D92
oklch(63% 0.102 185.7)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#062D29
oklch(27% 0.043 185)
#6BBBB1 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) | #B4B3B1 | 0.086 |
| Deuteranopia (no green cones) | #A6A9B2 | 0.081 |
| Tritanopia (no blue cones) | #4ABEB8 | 0.025 |
| Achromatopsia (no color) | #ADADAD | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BBBB1
#6BBBB1
oklch(73.8% 0.081 185.3)
- #D695A3
#D695A3
oklch(73.7% 0.08 5.1)
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 #6BBBB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.048
- Muted Teal #90B494 ΔE 0.049
- Pale Teal #82CBB2 ΔE 0.053
- Medium Aquamarine #66CDAA ΔE 0.056
- Dark Sea Green #8FBC8F ΔE 0.057
- Greeny Blue #42B395 ΔE 0.058
- Light Sea Green #20B2AA ΔE 0.058
- Medium Turquoise #48D1CC ΔE 0.061
Use #6BBBB1 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.