#4EF1CA
Closest named color: Bright Teal (#01F9C6). oklch(86.5% 0.145 173.3), rgb(78, 241, 202).
Aa
Black text reads best on this color (14.75:1).
About this color
#4EF1CA is a light, vivid teal or cyan. In OKLCH its lightness is 86%, its chroma 0.145 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Teal (#01F9C6), ΔE 0.029 away. Black text reads best on it, at 14.75:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Bright Teal (#01F9C6) |
| Black text | 14.75:1 |
| White text | 1.42:1 |
Values
| HEX | #4EF1CA |
| RGB | rgb(78, 241, 202) |
| HSL | hsl(166, 85%, 63%) |
| OKLCH | oklch(86.5% 0.145 173.3) |
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 #4EF1CA | 1.42:1 | Fails | Lc -22.7 | Dividers and decoration only |
| Black text on #4EF1CA | 14.75:1 | AAA | Lc 83.8 | Fine for body text |
| #4EF1CA text on white | 1.42:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #4EF1CA text on black | 14.75:1 | AAA | Lc -83.5 | 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
#E5FBF4
oklch(97% 0.025 174.8)
-
Step 100
100
#C6F6E7
oklch(93.6% 0.053 174.1)
-
Step 200
200 (this color)
#4EF1CA
oklch(86.5% 0.145 173.3)
-
Step 300
300
#00E0B8
oklch(80.9% 0.154 173.6)
-
Step 400
400
#00BB99
oklch(70.6% 0.135 173.4)
-
Step 500
500
#00A183
oklch(63.2% 0.121 173.2)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#4EF1CA 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) | #E9E2C8 | 0.150 |
| Deuteranopia (no green cones) | #D3D1CD | 0.145 |
| Tritanopia (no blue cones) | #00F3E6 | 0.038 |
| Achromatopsia (no color) | #D8D8D8 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EF1CA
#4EF1CA
oklch(86.5% 0.145 173.3)
- #FFBCD7
#FFBCD7
oklch(86.4% 0.084 353)
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 #4EF1CA, closest first.
No curated palette has a color within ΔE 0.04 of #4EF1CA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Teal #01F9C6 ΔE 0.029
- Light Turquoise #7EF4CC ΔE 0.033
- Aqua Marine #2EE8BB ΔE 0.034
- Bright Aqua #0BF9EA ΔE 0.042
- Light Aquamarine #7BFDC7 ΔE 0.048
- Greenish Cyan #2AFEB7 ΔE 0.052
- Light Teal #90E4C1 ΔE 0.052
- Turquoise #40E0D0 ΔE 0.053
Use #4EF1CA 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.