#6DD7CA
Closest named color: Seafoam Blue (#78D1B6). oklch(81.2% 0.101 185), rgb(109, 215, 202).
Aa
Black text reads best on this color (12.22:1).
About this color
#6DD7CA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.101 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.027 away. Black text reads best on it, at 12.22:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.22:1 |
| White text | 1.71:1 |
Values
| HEX | #6DD7CA |
| RGB | rgb(109, 215, 202) |
| HSL | hsl(173, 57%, 64%) |
| OKLCH | oklch(81.2% 0.101 185) |
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 #6DD7CA | 1.71:1 | Fails | Lc -34.6 | Non-text elements, placeholder text |
| Black text on #6DD7CA | 12.22:1 | AAA | Lc 73.1 | Content text, not long reading |
| #6DD7CA text on white | 1.71:1 | Fails | Lc 30.7 | Non-text elements, placeholder text |
| #6DD7CA text on black | 12.22:1 | AAA | Lc -72.0 | 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
#ECF9F6
oklch(97.2% 0.014 180.7)
-
Step 100
100
#D5F1EC
oklch(93.6% 0.03 183.8)
-
Step 200
200
#B0E6DE
oklch(88.5% 0.056 185)
-
Step 300
300 (this color)
#6DD7CA
oklch(81.2% 0.101 185)
-
Step 400
400
#00B9AB
oklch(70.7% 0.124 185.3)
-
Step 500
500
#009F92
oklch(63.2% 0.111 184.7)
-
Step 600
600
#00867B
oklch(55.7% 0.098 184.8)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#6DD7CA 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) | #CECDCA | 0.107 |
| Deuteranopia (no green cones) | #BDC0CB | 0.102 |
| Tritanopia (no blue cones) | #34DBD3 | 0.031 |
| Achromatopsia (no color) | #C5C5C5 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DD7CA
#6DD7CA
oklch(81.2% 0.101 185)
- #FAA6B9
#FAA6B9
oklch(81.2% 0.102 4.8)
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 #6DD7CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.027
- Turquoise #40E0D0 ΔE 0.032
- Medium Turquoise #48D1CC ΔE 0.032
- Tiffany Blue #94D2BD ΔE 0.036
- Pale Teal #82CBB2 ΔE 0.039
- Medium Aquamarine #66CDAA ΔE 0.047
- Light Teal #90E4C1 ΔE 0.054
- Aqua Blue #02D8E9 ΔE 0.055
Use #6DD7CA 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.