#43F0E9
Closest named color: Bright Aqua (#0BF9EA). oklch(86.9% 0.136 190.9), rgb(67, 240, 233).
Aa
Black text reads best on this color (14.87:1).
About this color
#43F0E9 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 87%, its chroma 0.136 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Aqua (#0BF9EA), ΔE 0.025 away. Black text reads best on it, at 14.87:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Bright Aqua (#0BF9EA) |
| Black text | 14.87:1 |
| White text | 1.41:1 |
Values
| HEX | #43F0E9 |
| RGB | rgb(67, 240, 233) |
| HSL | hsl(178, 85%, 60%) |
| OKLCH | oklch(86.9% 0.136 190.9) |
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 #43F0E9 | 1.41:1 | Fails | Lc -22.2 | Dividers and decoration only |
| Black text on #43F0E9 | 14.87:1 | AAA | Lc 84.3 | Fine for body text |
| #43F0E9 text on white | 1.41:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #43F0E9 text on black | 14.87:1 | AAA | Lc -84.1 | 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
#E5FBF9
oklch(97.1% 0.023 190.2)
-
Step 100
100
#C4F5F2
oklch(93.5% 0.05 191.7)
-
Step 200
200 (this color)
#43F0E9
oklch(86.9% 0.136 190.9)
-
Step 300
300
#00DDD6
oklch(81% 0.14 190.7)
-
Step 400
400
#00B8B2
oklch(70.6% 0.122 190.6)
-
Step 500
500
#009E99
oklch(63.1% 0.109 190.8)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005B58
oklch(42.5% 0.073 190.9)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#43F0E9 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) | #E2E4E9 | 0.144 |
| Deuteranopia (no green cones) | #C9D1EA | 0.135 |
| Tritanopia (no blue cones) | #00F7ED | 0.020 |
| Achromatopsia (no color) | #D9D9D9 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43F0E9
#43F0E9
oklch(86.9% 0.136 190.9)
- #FFC1C8
#FFC1C8
oklch(86.9% 0.072 11.1)
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 #43F0E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Aqua #0BF9EA ΔE 0.025
- Bright Light Blue #26F7FD ΔE 0.028
- Bright Turquoise #0FFEF9 ΔE 0.037
- Bright Cyan #41FDFE ΔE 0.039
- Robin's Egg #6DEDFD ΔE 0.041
- Cyan #00FFFF ΔE 0.042
- Turquoise #40E0D0 ΔE 0.049
- Light Turquoise #7EF4CC ΔE 0.054
Use #43F0E9 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.