#3F9563
Closest named color: Light Forest Green (#4F9153). oklch(60.4% 0.113 155.2), rgb(63, 149, 99).
Aa
Black text reads best on this color (5.69:1).
About this color
#3F9563 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.113 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.021 away. Black text reads best on it, at 5.69:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.69:1 |
| White text | 3.69:1 |
Values
| HEX | #3F9563 |
| RGB | rgb(63, 149, 99) |
| HSL | hsl(145, 41%, 42%) |
| OKLCH | oklch(60.4% 0.113 155.2) |
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 #3F9563 | 3.69:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #3F9563 | 5.69:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #3F9563 text on white | 3.69:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #3F9563 text on black | 5.69:1 | AA | Lc -37.4 | 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 500.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CAE0D0
oklch(88.6% 0.032 154.1)
-
Step 300
300
#A5CCB1
oklch(80.9% 0.056 154.8)
-
Step 400
400
#72B189
oklch(70.6% 0.088 155.6)
-
Step 500
500 (this color)
#3F9563
oklch(60.4% 0.113 155.2)
-
Step 600
600
#228853
oklch(55.6% 0.123 155.4)
-
Step 700
700
#117343
oklch(49.1% 0.114 155.3)
-
Step 800
800
#145E37
oklch(42.7% 0.096 155)
-
Step 900
900
#1A4D30
oklch(37.7% 0.074 155.3)
-
Step 950
950
#112D1C
oklch(27% 0.047 154.9)
#3F9563 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) | #958A60 | 0.102 |
| Deuteranopia (no green cones) | #898266 | 0.099 |
| Tritanopia (no blue cones) | #239488 | 0.055 |
| Achromatopsia (no color) | #858585 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F9563
#3F9563
oklch(60.4% 0.113 155.2)
- #AB669C
#AB669C
oklch(60.5% 0.113 335.3)
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 #3F9563, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.021
- Ocean Green #3D9973 ΔE 0.022
- Viridian #1E9167 ΔE 0.025
- Sea Green #2E8B57 ΔE 0.035
- Fern Green #548D44 ΔE 0.038
- Dark Sage #598556 ΔE 0.047
- Slate Green #658D6D ΔE 0.048
- Jade #1FA774 ΔE 0.051
Use #3F9563 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.