#4DDDE3
Closest named color: Aqua Blue (#02D8E9). oklch(82.4% 0.12 199.1), rgb(77, 221, 227).
Aa
Black text reads best on this color (12.76:1).
About this color
#4DDDE3 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.120 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.029 away. Black text reads best on it, at 12.76:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 12.76:1 |
| White text | 1.64:1 |
Values
| HEX | #4DDDE3 |
| RGB | rgb(77, 221, 227) |
| HSL | hsl(182, 73%, 60%) |
| OKLCH | oklch(82.4% 0.12 199.1) |
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 #4DDDE3 | 1.64:1 | Fails | Lc -31.8 | Non-text elements, placeholder text |
| Black text on #4DDDE3 | 12.76:1 | AAA | Lc 75.6 | Fine for body text |
| #4DDDE3 text on white | 1.64:1 | Fails | Lc 28.2 | Dividers and decoration only |
| #4DDDE3 text on black | 12.76:1 | AAA | Lc -74.7 | 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
#EAF9F9
oklch(97.1% 0.016 196.9)
-
Step 100
100
#D0F1F3
oklch(93.5% 0.034 201.1)
-
Step 200
200
#A4E7EA
oklch(88.4% 0.067 199.5)
-
Step 300
300 (this color)
#4DDDE3
oklch(82.4% 0.12 199.1)
-
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
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#4DDDE3 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) | #CED3E4 | 0.124 |
| Deuteranopia (no green cones) | #B7C3E4 | 0.114 |
| Tritanopia (no blue cones) | #00E5DE | 0.031 |
| Achromatopsia (no color) | #CACACA | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4DDDE3
#4DDDE3
oklch(82.4% 0.12 199.1)
- #FFACAC
#FFACAC
oklch(82.5% 0.098 19.4)
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 #4DDDE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.029
- Turquoise #40E0D0 ΔE 0.032
- Medium Turquoise #48D1CC ΔE 0.041
- Dark Turquoise #00CED1 ΔE 0.054
- Robin's Egg #6DEDFD ΔE 0.058
- Sky Blue #87CEEB ΔE 0.061
- Seafoam Blue #78D1B6 ΔE 0.062
- Vivid Sky Blue #4CC9F0 ΔE 0.064
Use #4DDDE3 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.