#43DCD3
Closest named color: Turquoise (#40E0D0). oklch(81.4% 0.125 189.2), rgb(67, 220, 211).
Aa
Black text reads best on this color (12.41:1).
About this color
#43DCD3 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.125 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.013 away. Black text reads best on it, at 12.41:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.41:1 |
| White text | 1.69:1 |
Values
| HEX | #43DCD3 |
| RGB | rgb(67, 220, 211) |
| HSL | hsl(176, 69%, 56%) |
| OKLCH | oklch(81.4% 0.125 189.2) |
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 #43DCD3 | 1.69:1 | Fails | Lc -33.4 | Non-text elements, placeholder text |
| Black text on #43DCD3 | 12.41:1 | AAA | Lc 74.1 | Content text, not long reading |
| #43DCD3 text on white | 1.69:1 | Fails | Lc 29.7 | Dividers and decoration only |
| #43DCD3 text on black | 12.41:1 | AAA | Lc -73.1 | 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
#EAF9F8
oklch(97.1% 0.016 192.1)
-
Step 100
100
#D0F2EF
oklch(93.6% 0.036 190.1)
-
Step 200
200
#A3E9E3
oklch(88.6% 0.07 189.3)
-
Step 300
300 (this color)
#43DCD3
oklch(81.4% 0.125 189.2)
-
Step 400
400
#00B8B0
oklch(70.6% 0.122 189.3)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#43DCD3 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) | #D0D0D3 | 0.134 |
| Deuteranopia (no green cones) | #B9C0D4 | 0.125 |
| Tritanopia (no blue cones) | #00E2D9 | 0.019 |
| Achromatopsia (no color) | #C7C7C7 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43DCD3
#43DCD3
oklch(81.4% 0.125 189.2)
- #FFA5B3
#FFA5B3
oklch(81.5% 0.108 9.6)
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 #43DCD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.013
- Medium Turquoise #48D1CC ΔE 0.029
- Aqua Blue #02D8E9 ΔE 0.039
- Dark Turquoise #00CED1 ΔE 0.046
- Seafoam Blue #78D1B6 ΔE 0.048
- Aqua Marine #2EE8BB ΔE 0.056
- Medium Aquamarine #66CDAA ΔE 0.058
- Pale Teal #82CBB2 ΔE 0.061
Use #43DCD3 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.