#3FA390
Closest named color: Persian Green (#2A9D8F). oklch(65.2% 0.097 178.3), rgb(63, 163, 144).
Aa
Black text reads best on this color (6.85:1).
About this color
#3FA390 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.097 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.023 away. Black text reads best on it, at 6.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.85:1 |
| White text | 3.06:1 |
Values
| HEX | #3FA390 |
| RGB | rgb(63, 163, 144) |
| HSL | hsl(169, 44%, 44%) |
| OKLCH | oklch(65.2% 0.097 178.3) |
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 #3FA390 | 3.06:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #3FA390 | 6.85:1 | AA | Lc 46.8 | Large or bold text, headings |
| #3FA390 text on white | 3.06:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #3FA390 text on black | 6.85:1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFD9
oklch(88.5% 0.026 178.3)
-
Step 300
300
#A0CBC1
oklch(80.8% 0.048 179.2)
-
Step 400
400
#69B0A1
oklch(70.6% 0.075 178.9)
-
Step 500
500 (this color)
#3FA390
oklch(65.2% 0.097 178.3)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#0E4C42
oklch(37.6% 0.063 179.2)
-
Step 950
950
#0C2D27
oklch(27.1% 0.04 179.1)
#3FA390 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) | #9D9A8F | 0.103 |
| Deuteranopia (no green cones) | #8E8F92 | 0.097 |
| Tritanopia (no blue cones) | #00A59D | 0.025 |
| Achromatopsia (no color) | #939393 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA390
#3FA390
oklch(65.2% 0.097 178.3)
- #C0768F
#C0768F
oklch(65.2% 0.097 358.4)
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 #3FA390, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.023
- Dull Teal #5F9E8F ΔE 0.028
- Grey Teal #5E9B8A ΔE 0.030
- Sea #3C9992 ΔE 0.032
- Blue Green #0F9B8E ΔE 0.034
- Cadet Blue #5F9EA0 ΔE 0.043
- Ocean Green #3D9973 ΔE 0.045
- Greeny Blue #42B395 ΔE 0.047
Use #3FA390 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.