#4ECCD9
Closest named color: Medium Turquoise (#48D1CC). oklch(78.1% 0.111 204.8), rgb(78, 204, 217).
Aa
Black text reads best on this color (10.96:1).
About this color
#4ECCD9 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.111 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.027 away. Black text reads best on it, at 10.96:1.
| Hue family | Teals and cyans |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.96:1 |
| White text | 1.91:1 |
Values
| HEX | #4ECCD9 |
| RGB | rgb(78, 204, 217) |
| HSL | hsl(186, 65%, 58%) |
| OKLCH | oklch(78.1% 0.111 204.8) |
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 #4ECCD9 | 1.91:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #4ECCD9 | 10.96:1 | AAA | Lc 67.6 | Content text, not long reading |
| #4ECCD9 text on white | 1.91:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #4ECCD9 text on black | 10.96:1 | AAA | Lc -66.2 | 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
#EBF9FA
oklch(97.2% 0.015 202.1)
-
Step 100
100
#D2F1F4
oklch(93.7% 0.033 203.7)
-
Step 200
200
#A9E6EC
oklch(88.6% 0.062 203.7)
-
Step 300
300 (this color)
#4ECCD9
oklch(78.1% 0.111 204.8)
-
Step 400
400
#00B6C4
oklch(70.8% 0.121 204.6)
-
Step 500
500
#009CA8
oklch(63.2% 0.108 204.4)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#4ECCD9 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) | #BCC4DA | 0.109 |
| Deuteranopia (no green cones) | #A8B5D9 | 0.100 |
| Tritanopia (no blue cones) | #00D4D0 | 0.036 |
| Achromatopsia (no color) | #BBBBBB | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4ECCD9
#4ECCD9
oklch(78.1% 0.111 204.8)
- #F79B94
#F79B94
oklch(78.1% 0.111 24.6)
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 #4ECCD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.027
- Dark Turquoise #00CED1 ΔE 0.028
- Aqua Blue #02D8E9 ΔE 0.036
- Vivid Sky Blue #4CC9F0 ΔE 0.037
- Bright Sky Blue #02CCFE ΔE 0.056
- Sky Blue #87CEEB ΔE 0.056
- Lightblue #7BC8F6 ΔE 0.061
- Turquoise #40E0D0 ΔE 0.062
Use #4ECCD9 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.