#43EFD4
Closest named color: Bright Aqua (#0BF9EA). oklch(86% 0.142 179.7), rgb(67, 239, 212).
Aa
Black text reads best on this color (14.53:1).
About this color
#43EFD4 is a light, vivid teal or cyan. In OKLCH its lightness is 86%, its chroma 0.142 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Aqua (#0BF9EA), ΔE 0.033 away. Black text reads best on it, at 14.53:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Bright Aqua (#0BF9EA) |
| Black text | 14.53:1 |
| White text | 1.44:1 |
Values
| HEX | #43EFD4 |
| RGB | rgb(67, 239, 212) |
| HSL | hsl(171, 84%, 60%) |
| OKLCH | oklch(86% 0.142 179.7) |
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 #43EFD4 | 1.44:1 | Fails | Lc -23.7 | Dividers and decoration only |
| Black text on #43EFD4 | 14.53:1 | AAA | Lc 82.9 | Fine for body text |
| #43EFD4 text on white | 1.44:1 | Fails | Lc 20.8 | Dividers and decoration only |
| #43EFD4 text on black | 14.53:1 | AAA | Lc -82.6 | 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
#E5FBF6
oklch(97.1% 0.024 180.7)
-
Step 100
100
#C5F6EB
oklch(93.6% 0.052 179.9)
-
Step 200
200 (this color)
#43EFD4
oklch(86% 0.142 179.7)
-
Step 300
300
#00DFC4
oklch(81% 0.147 179.8)
-
Step 400
400
#00BAA3
oklch(70.7% 0.128 179.7)
-
Step 500
500
#00A08C
oklch(63.2% 0.115 179.7)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#43EFD4 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) | #E5E1D3 | 0.150 |
| Deuteranopia (no green cones) | #CDD0D6 | 0.141 |
| Tritanopia (no blue cones) | #00F3E7 | 0.026 |
| Achromatopsia (no color) | #D7D7D7 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43EFD4
#43EFD4
oklch(86% 0.142 179.7)
- #FFBBCF
#FFBBCF
oklch(86% 0.082 359.7)
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 #43EFD4, closest first.
No curated palette has a color within ΔE 0.04 of #43EFD4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Aqua #0BF9EA ΔE 0.033
- Aqua Marine #2EE8BB ΔE 0.037
- Bright Teal #01F9C6 ΔE 0.041
- Light Turquoise #7EF4CC ΔE 0.041
- Turquoise #40E0D0 ΔE 0.041
- Bright Turquoise #0FFEF9 ΔE 0.054
- Light Teal #90E4C1 ΔE 0.054
- Bright Light Blue #26F7FD ΔE 0.054
Use #43EFD4 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.