#43A0AA
Closest named color: Cadet Blue (#5F9EA0). oklch(65.4% 0.088 205), rgb(67, 160, 170).
Aa
Black text reads best on this color (6.84:1).
About this color
#43A0AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.088 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.025 away. Black text reads best on it, at 6.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.84:1 |
| White text | 3.06:1 |
Values
| HEX | #43A0AA |
| RGB | rgb(67, 160, 170) |
| HSL | hsl(186, 43%, 46%) |
| OKLCH | oklch(65.4% 0.088 205) |
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 #43A0AA | 3.06:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #43A0AA | 6.84:1 | AA | Lc 46.7 | Large or bold text, headings |
| #43A0AA text on white | 3.06:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #43A0AA text on black | 6.84:1 | AA | Lc -44.5 | Non-text elements, placeholder 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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE1
oklch(88.5% 0.024 206.6)
-
Step 300
300
#A1C9CE
oklch(80.9% 0.043 205.7)
-
Step 400
400
#6AADB5
oklch(70.6% 0.069 205.4)
-
Step 500
500 (this color)
#43A0AA
oklch(65.4% 0.088 205)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#114A50
oklch(37.7% 0.057 205.4)
-
Step 950
950
#0D2C2F
oklch(27.2% 0.036 204)
#43A0AA 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) | #949AAB | 0.087 |
| Deuteranopia (no green cones) | #848EAA | 0.080 |
| Tritanopia (no blue cones) | #00A6A3 | 0.033 |
| Achromatopsia (no color) | #939393 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43A0AA
#43A0AA
oklch(65.4% 0.088 205)
- #C17B75
#C17B75
oklch(65.5% 0.089 25.1)
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 #43A0AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.025
- Sea #3C9992 ΔE 0.038
- Dull Teal #5F9E8F ΔE 0.042
- Persian Green #2A9D8F ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.047
- Blue Green #0F9B8E ΔE 0.052
- Turquoise Blue #06B1C4 ΔE 0.052
- Light Sea Green #20B2AA ΔE 0.053
Use #43A0AA 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.