#3F8A6E
Closest named color: Viridian (#1E9167). oklch(57.7% 0.087 166.4), rgb(63, 138, 110).
Aa
Black text reads best on this color (5.07:1).
About this color
#3F8A6E is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.087 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.032 away. Black text reads best on it, at 5.07:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.07:1 |
| White text | 4.14:1 |
Values
| HEX | #3F8A6E |
| RGB | rgb(63, 138, 110) |
| HSL | hsl(158, 37%, 39%) |
| OKLCH | oklch(57.7% 0.087 166.4) |
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 #3F8A6E | 4.14:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #3F8A6E | 5.07:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #3F8A6E text on white | 4.14:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #3F8A6E text on black | 5.07:1 | AA | Lc -33.4 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#AAC9BB
oklch(80.9% 0.039 166.3)
-
Step 400
400
#7BAE98
oklch(70.8% 0.063 166)
-
Step 500
500
#56997F
oklch(63.1% 0.08 166.8)
-
Step 600
600 (this color)
#3F8A6E
oklch(57.7% 0.087 166.4)
-
Step 700
700
#2A6F56
oklch(49% 0.081 166.1)
-
Step 800
800
#245B47
oklch(42.8% 0.068 166.5)
-
Step 900
900
#234A3B
oklch(37.5% 0.052 166.5)
-
Step 950
950
#152C23
oklch(27.1% 0.034 166.7)
#3F8A6E 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) | #87816D | 0.087 |
| Deuteranopia (no green cones) | #7C7970 | 0.085 |
| Tritanopia (no blue cones) | #218A82 | 0.033 |
| Achromatopsia (no color) | #7D7D7D | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8A6E
#3F8A6E
oklch(57.7% 0.087 166.4)
- #9F6484
#9F6484
oklch(57.7% 0.087 346.5)
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 #3F8A6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.032
- Dark Sage #598556 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.039
- Dusty Teal #4C9085 ΔE 0.039
- Slate Green #658D6D ΔE 0.041
- Ocean Green #3D9973 ΔE 0.044
- Dark Cyan #008B8B ΔE 0.047
- Light Forest Green #4F9153 ΔE 0.050
Use #3F8A6E 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.