#6BBFAA
Closest named color: Medium Aquamarine (#66CDAA). oklch(74.5% 0.088 175.7), rgb(107, 191, 170).
Aa
Black text reads best on this color (9.65:1).
About this color
#6BBFAA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.088 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.040 away. Black text reads best on it, at 9.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.65:1 |
| White text | 2.17:1 |
Values
| HEX | #6BBFAA |
| RGB | rgb(107, 191, 170) |
| HSL | hsl(165, 40%, 58%) |
| OKLCH | oklch(74.5% 0.088 175.7) |
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 #6BBFAA | 2.17:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #6BBFAA | 9.65:1 | AAA | Lc 61.3 | Content text, not long reading |
| #6BBFAA text on white | 2.17:1 | Fails | Lc 42.6 | Non-text elements, placeholder text |
| #6BBFAA text on black | 9.65:1 | AAA | Lc -59.6 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EEE9
oklch(93.7% 0.016 172.6)
-
Step 200
200
#C5E0D8
oklch(88.5% 0.031 175.8)
-
Step 300
300
#9BCDBF
oklch(80.9% 0.056 175.7)
-
Step 400
400 (this color)
#6BBFAA
oklch(74.5% 0.088 175.7)
-
Step 500
500
#1B9F86
oklch(63% 0.113 175.6)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#052E25
oklch(27.1% 0.047 174.4)
#6BBFAA 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) | #BAB6A9 | 0.093 |
| Deuteranopia (no green cones) | #ACACAC | 0.088 |
| Tritanopia (no blue cones) | #4CC1B9 | 0.028 |
| Achromatopsia (no color) | #B0B0B0 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BBFAA
#6BBFAA
oklch(74.5% 0.088 175.7)
- #DA95AE
#DA95AE
oklch(74.5% 0.089 356.1)
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 #6BBFAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.040
- Pale Teal #82CBB2 ΔE 0.043
- Dark Sea Green #8FBC8F ΔE 0.046
- Muted Teal #90B494 ΔE 0.046
- Topaz #13BBAF ΔE 0.050
- Seafoam Blue #78D1B6 ΔE 0.053
- Greeny Blue #42B395 ΔE 0.056
- Medium Turquoise #48D1CC ΔE 0.057
Use #6BBFAA 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.