#43E5E5
Closest named color: Turquoise (#40E0D0). oklch(84.2% 0.129 195), rgb(67, 229, 229).
Aa
Black text reads best on this color (13.57:1).
About this color
#43E5E5 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.129 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.030 away. Black text reads best on it, at 13.57:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 13.57:1 |
| White text | 1.54:1 |
Values
| HEX | #43E5E5 |
| RGB | rgb(67, 229, 229) |
| HSL | hsl(180, 76%, 58%) |
| OKLCH | oklch(84.2% 0.129 195) |
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 #43E5E5 | 1.54:1 | Fails | Lc -28.0 | Dividers and decoration only |
| Black text on #43E5E5 | 13.57:1 | AAA | Lc 79.0 | Fine for body text |
| #43E5E5 text on white | 1.54:1 | Fails | Lc 24.7 | Dividers and decoration only |
| #43E5E5 text on black | 13.57:1 | AAA | Lc -78.4 | 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 300.
-
Step 50
50
#E9F9F9
oklch(97% 0.017 196.9)
-
Step 100
100
#CEF2F1
oklch(93.5% 0.037 194.5)
-
Step 200
200
#A0E9E8
oklch(88.6% 0.072 194.8)
-
Step 300
300 (this color)
#43E5E5
oklch(84.2% 0.129 195)
-
Step 400
400
#00B7B8
oklch(70.6% 0.12 195.5)
-
Step 500
500
#009D9E
oklch(63.1% 0.108 195.6)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#43E5E5 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) | #D6DAE5 | 0.135 |
| Deuteranopia (no green cones) | #BEC8E6 | 0.126 |
| Tritanopia (no blue cones) | #00ECE5 | 0.022 |
| Achromatopsia (no color) | #D0D0D0 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43E5E5
#43E5E5
oklch(84.2% 0.129 195)
- #FFB4B9
#FFB4B9
oklch(84.2% 0.088 14.7)
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 #43E5E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.030
- Aqua Blue #02D8E9 ΔE 0.044
- Robin's Egg #6DEDFD ΔE 0.047
- Bright Light Blue #26F7FD ΔE 0.050
- Bright Aqua #0BF9EA ΔE 0.053
- Medium Turquoise #48D1CC ΔE 0.057
- Aqua Marine #2EE8BB ΔE 0.064
- Bright Turquoise #0FFEF9 ΔE 0.065
Use #43E5E5 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.