#00DDF1
Closest named color: Aqua Blue (#02D8E9). oklch(82% 0.14 206.4), rgb(0, 221, 241).
Aa
Black text reads best on this color (12.61:1).
About this color
#00DDF1 is a light, vivid teal or cyan. In OKLCH its lightness is 82%, its chroma 0.140 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.016 away. Black text reads best on it, at 12.61:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 12.61:1 |
| White text | 1.66:1 |
Values
| HEX | #00DDF1 |
| RGB | rgb(0, 221, 241) |
| HSL | hsl(185, 100%, 47%) |
| OKLCH | oklch(82% 0.14 206.4) |
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 #00DDF1 | 1.66:1 | Fails | Lc -32.2 | Non-text elements, placeholder text |
| Black text on #00DDF1 | 12.61:1 | AAA | Lc 75.3 | Fine for body text |
| #00DDF1 text on white | 1.66:1 | Fails | Lc 28.5 | Dividers and decoration only |
| #00DDF1 text on black | 12.61:1 | AAA | Lc -74.4 | 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
#E8F9FC
oklch(97% 0.018 209.4)
-
Step 100
100
#CCF2F7
oklch(93.6% 0.04 206.2)
-
Step 200
200
#9AE8F3
oklch(88.4% 0.078 207.1)
-
Step 300
300 (this color)
#00DDF1
oklch(82% 0.14 206.4)
-
Step 400
400
#00B5C6
oklch(70.6% 0.121 206.7)
-
Step 500
500
#009BAA
oklch(63% 0.108 206.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#00DDF1 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) | #C9D4F2 | 0.137 |
| Deuteranopia (no green cones) | #AEC0F1 | 0.125 |
| Tritanopia (no blue cones) | #00E7E3 | 0.039 |
| Achromatopsia (no color) | #C8C8C8 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00DDF1
#00DDF1
oklch(82% 0.14 206.4)
- #FFABA1
#FFABA1
oklch(82% 0.101 26.9)
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 #00DDF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.016
- Turquoise #40E0D0 ΔE 0.051
- Medium Turquoise #48D1CC ΔE 0.053
- Dark Turquoise #00CED1 ΔE 0.054
- Vivid Sky Blue #4CC9F0 ΔE 0.056
- Bright Sky Blue #02CCFE ΔE 0.056
- Robin's Egg #6DEDFD ΔE 0.065
- Sky Blue #87CEEB ΔE 0.069
Use #00DDF1 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.