#00DCD9
Closest named color: Turquoise (#40E0D0). oklch(80.9% 0.139 193), rgb(0, 220, 217).
Aa
Black text reads best on this color (12.23:1).
About this color
#00DCD9 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.139 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.024 away. Black text reads best on it, at 12.23:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.23:1 |
| White text | 1.71:1 |
Values
| HEX | #00DCD9 |
| RGB | rgb(0, 220, 217) |
| HSL | hsl(179, 100%, 43%) |
| OKLCH | oklch(80.9% 0.139 193) |
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 #00DCD9 | 1.71:1 | Fails | Lc -33.9 | Non-text elements, placeholder text |
| Black text on #00DCD9 | 12.23:1 | AAA | Lc 73.7 | Content text, not long reading |
| #00DCD9 text on white | 1.71:1 | Fails | Lc 30.2 | Non-text elements, placeholder text |
| #00DCD9 text on black | 12.23:1 | AAA | Lc -72.6 | 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
#E8FAF9
oklch(97.2% 0.019 192.8)
-
Step 100
100
#CCF3F1
oklch(93.6% 0.04 192.7)
-
Step 200
200
#9BEAE7
oklch(88.5% 0.078 192.8)
-
Step 300
300 (this color)
#00DCD9
oklch(80.9% 0.139 193)
-
Step 400
400
#00B8B5
oklch(70.8% 0.121 192.7)
-
Step 500
500
#009E9B
oklch(63.2% 0.108 192.4)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#00DCD9 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) | #CDD0D9 | 0.145 |
| Deuteranopia (no green cones) | #B4BEDA | 0.135 |
| Tritanopia (no blue cones) | #00E3DB | 0.019 |
| Achromatopsia (no color) | #C6C6C6 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00DCD9
#00DCD9
oklch(80.9% 0.139 193)
- #FFA3AC
#FFA3AC
oklch(80.9% 0.11 13.4)
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 #00DCD9, closest first.
No curated palette has a color within ΔE 0.04 of #00DCD9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.024
- Aqua Blue #02D8E9 ΔE 0.029
- Medium Turquoise #48D1CC ΔE 0.032
- Dark Turquoise #00CED1 ΔE 0.039
- Seafoam Blue #78D1B6 ΔE 0.061
- Aqua Marine #2EE8BB ΔE 0.063
- Medium Aquamarine #66CDAA ΔE 0.067
- Vivid Sky Blue #4CC9F0 ΔE 0.073
Use #00DCD9 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.