#3FA189
Closest named color: Persian Green (#2A9D8F). oklch(64.4% 0.099 174.1), rgb(63, 161, 137).
Aa
Black text reads best on this color (6.67:1).
About this color
#3FA189 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.099 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.021 away. Black text reads best on it, at 6.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.67:1 |
| White text | 3.14:1 |
Values
| HEX | #3FA189 |
| RGB | rgb(63, 161, 137) |
| HSL | hsl(165, 44%, 44%) |
| OKLCH | oklch(64.4% 0.099 174.1) |
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 #3FA189 | 3.14:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #3FA189 | 6.67:1 | AA | Lc 45.8 | Large or bold text, headings |
| #3FA189 text on white | 3.14:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #3FA189 text on black | 6.67:1 | AA | Lc -43.4 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8DFD8
oklch(88.5% 0.026 175.5)
-
Step 300
300
#A1CBBE
oklch(80.8% 0.048 174.2)
-
Step 400
400
#6AB19D
oklch(70.8% 0.078 174)
-
Step 500
500 (this color)
#3FA189
oklch(64.4% 0.099 174.1)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#104D3F
oklch(37.8% 0.065 173.6)
-
Step 950
950
#0D2D25
oklch(27.1% 0.041 174)
#3FA189 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) | #9C9788 | 0.103 |
| Deuteranopia (no green cones) | #8D8D8B | 0.098 |
| Tritanopia (no blue cones) | #00A39A | 0.029 |
| Achromatopsia (no color) | #919191 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA189
#3FA189
oklch(64.4% 0.099 174.1)
- #BC7491
#BC7491
oklch(64.4% 0.097 354.5)
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 #3FA189, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.021
- Grey Teal #5E9B8A ΔE 0.030
- Dull Teal #5F9E8F ΔE 0.031
- Blue Green #0F9B8E ΔE 0.031
- Sea #3C9992 ΔE 0.031
- Ocean Green #3D9973 ΔE 0.034
- Jade #1FA774 ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.049
Use #3FA189 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.