#4DEFDF
Closest named color: Bright Aqua (#0BF9EA). oklch(86.6% 0.134 185.5), rgb(77, 239, 223).
Aa
Black text reads best on this color (14.72:1).
About this color
#4DEFDF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 87%, its chroma 0.134 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Aqua (#0BF9EA), ΔE 0.028 away. Black text reads best on it, at 14.72:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Bright Aqua (#0BF9EA) |
| Black text | 14.72:1 |
| White text | 1.42:1 |
Values
| HEX | #4DEFDF |
| RGB | rgb(77, 239, 223) |
| HSL | hsl(174, 84%, 62%) |
| OKLCH | oklch(86.6% 0.134 185.5) |
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 #4DEFDF | 1.42:1 | Fails | Lc -22.9 | Dividers and decoration only |
| Black text on #4DEFDF | 14.72:1 | AAA | Lc 83.6 | Fine for body text |
| #4DEFDF text on white | 1.42:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #4DEFDF text on black | 14.72:1 | AAA | Lc -83.4 | 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 200.
-
Step 50
50
#E5FBF7
oklch(97.1% 0.024 183.8)
-
Step 100
100
#C6F5EE
oklch(93.5% 0.049 185.3)
-
Step 200
200 (this color)
#4DEFDF
oklch(86.6% 0.134 185.5)
-
Step 300
300
#00DECD
oklch(81% 0.143 185.1)
-
Step 400
400
#00B9AB
oklch(70.7% 0.124 185.3)
-
Step 500
500
#009F93
oklch(63.2% 0.111 185.4)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#4DEFDF 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) | #E3E2DF | 0.142 |
| Deuteranopia (no green cones) | #CCD1E1 | 0.134 |
| Tritanopia (no blue cones) | #00F4EA | 0.021 |
| Achromatopsia (no color) | #D8D8D8 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4DEFDF
#4DEFDF
oklch(86.6% 0.134 185.5)
- #FFBFCC
#FFBFCC
oklch(86.6% 0.075 5.3)
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 #4DEFDF, closest first.
No curated palette has a color within ΔE 0.04 of #4DEFDF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Aqua #0BF9EA ΔE 0.028
- Bright Light Blue #26F7FD ΔE 0.040
- Turquoise #40E0D0 ΔE 0.043
- Light Turquoise #7EF4CC ΔE 0.044
- Bright Turquoise #0FFEF9 ΔE 0.044
- Bright Cyan #41FDFE ΔE 0.048
- Cyan #00FFFF ΔE 0.051
- Robin's Egg #6DEDFD ΔE 0.051
Use #4DEFDF 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.