#6DDDE2
Closest named color: Turquoise (#40E0D0). oklch(83.4% 0.102 199.3), rgb(109, 221, 226).
Aa
Black text reads best on this color (13.09:1).
About this color
#6DDDE2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.102 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.042 away. Black text reads best on it, at 13.09:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 13.09:1 |
| White text | 1.60:1 |
Values
| HEX | #6DDDE2 |
| RGB | rgb(109, 221, 226) |
| HSL | hsl(183, 67%, 66%) |
| OKLCH | oklch(83.4% 0.102 199.3) |
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 #6DDDE2 | 1.60:1 | Fails | Lc -30.5 | Non-text elements, placeholder text |
| Black text on #6DDDE2 | 13.09:1 | AAA | Lc 76.8 | Fine for body text |
| #6DDDE2 text on white | 1.60:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #6DDDE2 text on black | 13.09:1 | AAA | Lc -76.0 | Fine for body text |
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
#ECF8F9
oklch(97% 0.013 202.9)
-
Step 100
100
#D4F0F1
oklch(93.5% 0.029 199.3)
-
Step 200
200
#ADE5E7
oklch(88.4% 0.057 198.9)
-
Step 300
300 (this color)
#6DDDE2
oklch(83.4% 0.102 199.3)
-
Step 400
400
#00B7BD
oklch(70.8% 0.12 199)
-
Step 500
500
#009DA2
oklch(63.2% 0.107 198.8)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#6DDDE2 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) | #D0D4E3 | 0.106 |
| Deuteranopia (no green cones) | #BCC6E3 | 0.098 |
| Tritanopia (no blue cones) | #02E4DE | 0.044 |
| Achromatopsia (no color) | #CCCCCC | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DDDE2
#6DDDE2
oklch(83.4% 0.102 199.3)
- #FFB1B1
#FFB1B1
oklch(83.5% 0.092 19.2)
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 #6DDDE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.042
- Aqua Blue #02D8E9 ΔE 0.047
- Robin's Egg #6DEDFD ΔE 0.049
- Sky Blue #87CEEB ΔE 0.050
- Medium Turquoise #48D1CC ΔE 0.051
- Celeste #A8DADC ΔE 0.055
- Tiffany Blue #94D2BD ΔE 0.055
- Seafoam Blue #78D1B6 ΔE 0.060
Use #6DDDE2 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.