#3F8945
Closest named color: Sea Green (#2E8B57). oklch(56.6% 0.126 145.3), rgb(63, 137, 69).
Aa
Black text reads best on this color (4.87:1).
About this color
#3F8945 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.126 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.022 away. Black text reads best on it, at 4.87:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #3F8945 |
| RGB | rgb(63, 137, 69) |
| HSL | hsl(125, 37%, 39%) |
| OKLCH | oklch(56.6% 0.126 145.3) |
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 #3F8945 | 4.30:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #3F8945 | 4.87:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #3F8945 text on white | 4.30:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #3F8945 text on black | 4.87:1 | AA | Lc -32.1 | 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 600.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CDDFCD
oklch(88.5% 0.031 145.3)
-
Step 300
300
#AACBAB
oklch(80.9% 0.057 145.8)
-
Step 400
400
#7CB07E
oklch(70.7% 0.091 145.5)
-
Step 500
500
#599C5D
oklch(63.2% 0.115 145.3)
-
Step 600
600 (this color)
#3F8945
oklch(56.6% 0.126 145.3)
-
Step 700
700
#2D7134
oklch(49% 0.116 145.4)
-
Step 800
800
#275C2C
oklch(42.6% 0.095 145.5)
-
Step 900
900
#254C27
oklch(37.7% 0.076 144.9)
-
Step 950
950
#162D17
oklch(27.1% 0.049 145)
#3F8945 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) | #8B7E3F | 0.096 |
| Deuteranopia (no green cones) | #81774A | 0.095 |
| Tritanopia (no blue cones) | #338679 | 0.076 |
| Achromatopsia (no color) | #7A7A7A | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F8945
#3F8945
oklch(56.6% 0.126 145.3)
- #9B5A9E
#9B5A9E
oklch(56.7% 0.125 325.5)
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 #3F8945, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.022
- Fern Green #548D44 ΔE 0.025
- Light Forest Green #4F9153 ΔE 0.033
- Jungle Green #048243 ΔE 0.039
- Dark Sage #598556 ΔE 0.041
- Moss Green #658B38 ΔE 0.041
- Viridian #1E9167 ΔE 0.043
- Mossy Green #638B27 ΔE 0.044
Use #3F8945 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.