#43E4FE
Closest named color: Robin's Egg (#6DEDFD). oklch(84.8% 0.133 210.9), rgb(67, 228, 254).
Aa
Black text reads best on this color (13.76:1).
About this color
#43E4FE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.133 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.038 away. Black text reads best on it, at 13.76:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 13.76:1 |
| White text | 1.52:1 |
Values
| HEX | #43E4FE |
| RGB | rgb(67, 228, 254) |
| HSL | hsl(188, 99%, 63%) |
| OKLCH | oklch(84.8% 0.133 210.9) |
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 #43E4FE | 1.52:1 | Fails | Lc -27.2 | Dividers and decoration only |
| Black text on #43E4FE | 13.76:1 | AAA | Lc 79.8 | Fine for body text |
| #43E4FE text on white | 1.52:1 | Fails | Lc 23.9 | Dividers and decoration only |
| #43E4FE text on black | 13.76:1 | AAA | Lc -79.2 | 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
#E5FAFE
oklch(97.1% 0.023 210.4)
-
Step 100
100
#C5F3FD
oklch(93.5% 0.049 212.4)
-
Step 200
200 (this color)
#43E4FE
oklch(84.8% 0.133 210.9)
-
Step 300
300
#00D8F4
oklch(80.9% 0.141 211.2)
-
Step 400
400
#00B4CC
oklch(70.6% 0.123 211.4)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#43E4FE 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) | #CFDCFF | 0.124 |
| Deuteranopia (no green cones) | #B5C9FE | 0.113 |
| Tritanopia (no blue cones) | #00EFEC | 0.047 |
| Achromatopsia (no color) | #D1D1D1 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43E4FE
#43E4FE
oklch(84.8% 0.133 210.9)
- #FFB9AC
#FFB9AC
oklch(84.7% 0.084 30.7)
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 #43E4FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.038
- Aqua Blue #02D8E9 ΔE 0.046
- Bright Light Blue #26F7FD ΔE 0.052
- Robin Egg Blue #8AF1FE ΔE 0.063
- Turquoise #40E0D0 ΔE 0.064
- Sky Blue #87CEEB ΔE 0.066
- Light Sky Blue #87CEFA ΔE 0.069
- Bright Cyan #41FDFE ΔE 0.069
Use #43E4FE 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.