#3FA091
Closest named color: Persian Green (#2A9D8F). oklch(64.4% 0.093 181.4), rgb(63, 160, 145).
Aa
Black text reads best on this color (6.64:1).
About this color
#3FA091 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.093 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.016 away. Black text reads best on it, at 6.64:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.64:1 |
| White text | 3.15:1 |
Values
| HEX | #3FA091 |
| RGB | rgb(63, 160, 145) |
| HSL | hsl(171, 43%, 44%) |
| OKLCH | oklch(64.4% 0.093 181.4) |
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 #3FA091 | 3.15:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #3FA091 | 6.64:1 | AA | Lc 45.6 | Large or bold text, headings |
| #3FA091 text on white | 3.15:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #3FA091 text on black | 6.64:1 | AA | Lc -43.3 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFDA
oklch(88.5% 0.025 181.2)
-
Step 300
300
#A1CBC2
oklch(80.9% 0.046 180.5)
-
Step 400
400
#6AB0A3
oklch(70.7% 0.074 180.9)
-
Step 500
500 (this color)
#3FA091
oklch(64.4% 0.093 181.4)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#104C44
oklch(37.7% 0.061 182)
-
Step 950
950
#0D2D28
oklch(27.2% 0.039 181.4)
#3FA091 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) | #999790 | 0.099 |
| Deuteranopia (no green cones) | #8B8C92 | 0.095 |
| Tritanopia (no blue cones) | #00A39B | 0.023 |
| Achromatopsia (no color) | #919191 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA091
#3FA091
oklch(64.4% 0.093 181.4)
- #BD758A
#BD758A
oklch(64.5% 0.094 1.2)
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 #3FA091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.016
- Sea #3C9992 ΔE 0.022
- Dull Teal #5F9E8F ΔE 0.026
- Grey Teal #5E9B8A ΔE 0.026
- Blue Green #0F9B8E ΔE 0.028
- Cadet Blue #5F9EA0 ΔE 0.039
- Ocean Green #3D9973 ΔE 0.043
- Dusty Teal #4C9085 ΔE 0.045
Use #3FA091 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.