#6BBFA5
Closest named color: Medium Aquamarine (#66CDAA). oklch(74.4% 0.091 171.6), rgb(107, 191, 165).
Aa
Black text reads best on this color (9.62:1).
About this color
#6BBFA5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.091 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.038 away. Black text reads best on it, at 9.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.62:1 |
| White text | 2.18:1 |
Values
| HEX | #6BBFA5 |
| RGB | rgb(107, 191, 165) |
| HSL | hsl(161, 40%, 58%) |
| OKLCH | oklch(74.4% 0.091 171.6) |
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 #6BBFA5 | 2.18:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #6BBFA5 | 9.62:1 | AAA | Lc 61.2 | Content text, not long reading |
| #6BBFA5 text on white | 2.18:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #6BBFA5 text on black | 9.62:1 | AAA | Lc -59.4 | 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
#E0EEE8
oklch(93.7% 0.017 168.5)
-
Step 200
200
#C5E0D6
oklch(88.4% 0.032 171.3)
-
Step 300
300
#9CCDBC
oklch(80.9% 0.057 171.5)
-
Step 400
400 (this color)
#6BBFA5
oklch(74.4% 0.091 171.6)
-
Step 500
500
#1DA081
oklch(63.2% 0.117 171.7)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#052E24
oklch(27% 0.048 172.5)
#6BBFA5 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) | #BAB5A4 | 0.094 |
| Deuteranopia (no green cones) | #ADABA7 | 0.091 |
| Tritanopia (no blue cones) | #4FC0B7 | 0.030 |
| Achromatopsia (no color) | #AFAFAF | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BBFA5
#6BBFA5
oklch(74.4% 0.091 171.6)
- #D994B2
#D994B2
oklch(74.3% 0.091 351.8)
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 #6BBFA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.038
- Dark Sea Green #8FBC8F ΔE 0.042
- Pale Teal #82CBB2 ΔE 0.044
- Muted Teal #90B494 ΔE 0.044
- Topaz #13BBAF ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.053
- Greeny Blue #42B395 ΔE 0.053
- Lichen #8FB67B ΔE 0.058
Use #6BBFA5 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.