#3F856B
Closest named color: Dark Sage (#598556). oklch(56.4% 0.082 166.8), rgb(63, 133, 107).
Aa
Black text reads best on this color (4.77:1).
About this color
#3F856B is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.082 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.036 away. Black text reads best on it, at 4.77:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #3F856B |
| RGB | rgb(63, 133, 107) |
| HSL | hsl(158, 36%, 38%) |
| OKLCH | oklch(56.4% 0.082 166.8) |
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 #3F856B | 4.39:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #3F856B | 4.77:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #3F856B text on white | 4.39:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #3F856B text on black | 4.77:1 | AA | Lc -31.4 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#ABC9BB
oklch(81% 0.038 165.6)
-
Step 400
400
#7DAD99
oklch(70.8% 0.059 167)
-
Step 500
500
#5A9880
oklch(63% 0.075 167.3)
-
Step 600
600 (this color)
#3F856B
oklch(56.4% 0.082 166.8)
-
Step 700
700
#2E6F57
oklch(49.2% 0.078 166.2)
-
Step 800
800
#275A47
oklch(42.6% 0.064 166.5)
-
Step 900
900
#254A3C
oklch(37.7% 0.049 167.1)
-
Step 950
950
#172B23
oklch(26.9% 0.03 166.8)
#3F856B 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) | #827D6A | 0.082 |
| Deuteranopia (no green cones) | #78756D | 0.080 |
| Tritanopia (no blue cones) | #25857E | 0.031 |
| Achromatopsia (no color) | #787878 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F856B
#3F856B
oklch(56.4% 0.082 166.8)
- #99617F
#99617F
oklch(56.3% 0.083 346.7)
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 #3F856B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.042
- Viridian #1E9167 ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.048
- Teal #008080 ΔE 0.048
- Dark Cyan #008B8B ΔE 0.048
- Slate Green #658D6D ΔE 0.049
- Bluegreen #017A79 ΔE 0.056
Use #3F856B 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.