#6DD5BB
Closest named color: Seafoam Blue (#78D1B6). oklch(80.3% 0.105 175.1), rgb(109, 213, 187).
Aa
Black text reads best on this color (11.88:1).
About this color
#6DD5BB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 80%, its chroma 0.105 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.013 away. Black text reads best on it, at 11.88:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 11.88:1 |
| White text | 1.76:1 |
Values
| HEX | #6DD5BB |
| RGB | rgb(109, 213, 187) |
| HSL | hsl(165, 55%, 63%) |
| OKLCH | oklch(80.3% 0.105 175.1) |
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 #6DD5BB | 1.76:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #6DD5BB | 11.88:1 | AAA | Lc 71.6 | Content text, not long reading |
| #6DD5BB text on white | 1.76:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #6DD5BB text on black | 11.88:1 | AAA | Lc -70.5 | 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 300.
-
Step 50
50
#ECF9F5
oklch(97.1% 0.015 175.7)
-
Step 100
100
#D6F1E9
oklch(93.6% 0.03 175.9)
-
Step 200
200
#B1E6D7
oklch(88.4% 0.058 175.7)
-
Step 300
300 (this color)
#6DD5BB
oklch(80.3% 0.105 175.1)
-
Step 400
400
#00BB9C
oklch(70.7% 0.133 175.1)
-
Step 500
500
#00A085
oklch(63% 0.119 175)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#6DD5BB 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) | #CFCABA | 0.110 |
| Deuteranopia (no green cones) | #BEBEBD | 0.104 |
| Tritanopia (no blue cones) | #41D7CD | 0.033 |
| Achromatopsia (no color) | #C3C3C3 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DD5BB
#6DD5BB
oklch(80.3% 0.105 175.1)
- #F5A2C2
#F5A2C2
oklch(80.3% 0.105 355)
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 #6DD5BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.013
- Pale Teal #82CBB2 ΔE 0.029
- Medium Aquamarine #66CDAA ΔE 0.029
- Tiffany Blue #94D2BD ΔE 0.037
- Medium Turquoise #48D1CC ΔE 0.037
- Turquoise #40E0D0 ΔE 0.038
- Light Teal #90E4C1 ΔE 0.055
- Aqua Marine #2EE8BB ΔE 0.059
Use #6DD5BB 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.