#3F8366
Closest named color: Dark Sage (#598556). oklch(55.7% 0.084 163.7), rgb(63, 131, 102).
Aa
Black text reads best on this color (4.64:1).
About this color
#3F8366 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.084 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.034 away. Black text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.64:1 |
| White text | 4.51:1 |
Values
| HEX | #3F8366 |
| RGB | rgb(63, 131, 102) |
| HSL | hsl(154, 35%, 38%) |
| OKLCH | oklch(55.7% 0.084 163.7) |
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 #3F8366 | 4.51:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #3F8366 | 4.64:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #3F8366 text on white | 4.51:1 | AA | Lc 71.2 | Content text, not long reading |
| #3F8366 text on black | 4.64:1 | AA | Lc -30.5 | 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 600.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#ABC9BA
oklch(80.9% 0.038 163.8)
-
Step 400
400
#7EAD96
oklch(70.7% 0.061 163.2)
-
Step 500
500
#5B987D
oklch(63% 0.076 164.2)
-
Step 600
600 (this color)
#3F8366
oklch(55.7% 0.084 163.7)
-
Step 700
700
#306F54
oklch(49.2% 0.079 163)
-
Step 800
800
#295A45
oklch(42.7% 0.064 163.5)
-
Step 900
900
#264A3A
oklch(37.7% 0.05 163.5)
-
Step 950
950
#172B22
oklch(26.9% 0.031 164)
#3F8366 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) | #817B64 | 0.082 |
| Deuteranopia (no green cones) | #777368 | 0.080 |
| Tritanopia (no blue cones) | #28837B | 0.033 |
| Achromatopsia (no color) | #767676 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8366
#3F8366
oklch(55.7% 0.084 163.7)
- #965F80
#965F80
oklch(55.6% 0.084 343.4)
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 #3F8366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.040
- Viridian #1E9167 ΔE 0.044
- Teal #008080 ΔE 0.050
- Slate Green #658D6D ΔE 0.054
- Dark Cyan #008B8B ΔE 0.055
- Dusty Teal #4C9085 ΔE 0.056
- Bluegreen #017A79 ΔE 0.056
Use #3F8366 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.