#3F9782
Closest named color: Persian Green (#2A9D8F). oklch(61.7% 0.091 175), rgb(63, 151, 130).
Aa
Black text reads best on this color (5.96:1).
About this color
#3F9782 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.091 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.022 away. Black text reads best on it, at 5.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 5.96:1 |
| White text | 3.52:1 |
Values
| HEX | #3F9782 |
| RGB | rgb(63, 151, 130) |
| HSL | hsl(166, 41%, 42%) |
| OKLCH | oklch(61.7% 0.091 175) |
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 #3F9782 | 3.52:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #3F9782 | 5.96:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #3F9782 text on white | 3.52:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #3F9782 text on black | 5.96:1 | AA | Lc -39.1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#C9DFD8
oklch(88.5% 0.025 174.7)
-
Step 300
300
#A4CABF
oklch(80.8% 0.043 175.7)
-
Step 400
400
#70AF9E
oklch(70.6% 0.07 175.3)
-
Step 500
500 (this color)
#3F9782
oklch(61.7% 0.091 175)
-
Step 600
600
#198670
oklch(55.7% 0.099 174.9)
-
Step 700
700
#04715E
oklch(49% 0.091 175.5)
-
Step 800
800
#0E5C4C
oklch(42.6% 0.076 174.6)
-
Step 900
900
#174C40
oklch(37.8% 0.059 175.1)
-
Step 950
950
#102C25
oklch(26.9% 0.037 174.8)
#3F9782 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) | #928E81 | 0.095 |
| Deuteranopia (no green cones) | #858484 | 0.092 |
| Tritanopia (no blue cones) | #009991 | 0.028 |
| Achromatopsia (no color) | #888888 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F9782
#3F9782
oklch(61.7% 0.091 175)
- #B06E88
#B06E88
oklch(61.7% 0.09 354.9)
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 #3F9782, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.022
- Sea #3C9992 ΔE 0.023
- Blue Green #0F9B8E ΔE 0.024
- Dusty Teal #4C9085 ΔE 0.024
- Ocean Green #3D9973 ΔE 0.025
- Grey Teal #5E9B8A ΔE 0.034
- Teal Green #0A9396 ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.041
Use #3F9782 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.