#3A9151
Closest named color: Light Forest Green (#4F9153). oklch(58.7% 0.128 149.5), rgb(58, 145, 81).
Aa
Black text reads best on this color (5.34:1).
About this color
#3A9151 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.128 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.018 away. Black text reads best on it, at 5.34:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.34:1 |
| White text | 3.92:1 |
Values
| HEX | #3A9151 |
| RGB | rgb(58, 145, 81) |
| HSL | hsl(136, 43%, 40%) |
| OKLCH | oklch(58.7% 0.128 149.5) |
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 #3A9151 | 3.92:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #3A9151 | 5.34:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #3A9151 text on white | 3.92:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #3A9151 text on black | 5.34:1 | AA | Lc -35.3 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CBDFCE
oklch(88.4% 0.031 149.8)
-
Step 300
300
#A7CCAD
oklch(81% 0.058 149.6)
-
Step 400
400
#76B182
oklch(70.7% 0.092 149.9)
-
Step 500
500
#509D62
oklch(63.1% 0.117 149.6)
-
Step 600
600 (this color)
#3A9151
oklch(58.7% 0.128 149.5)
-
Step 700
700
#207339
oklch(49.2% 0.12 149.4)
-
Step 800
800
#1E5D30
oklch(42.6% 0.097 149.6)
-
Step 900
900
#1F4D2A
oklch(37.8% 0.078 149.2)
-
Step 950
950
#132D19
oklch(27% 0.049 149.6)
#3A9151 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) | #92854C | 0.105 |
| Deuteranopia (no green cones) | #877D55 | 0.105 |
| Tritanopia (no blue cones) | #238E81 | 0.071 |
| Achromatopsia (no color) | #808080 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A9151
#3A9151
oklch(58.7% 0.128 149.5)
- #A65EA1
#A65EA1
oklch(58.8% 0.128 329.6)
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 #3A9151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.018
- Fern Green #548D44 ΔE 0.023
- Sea Green #2E8B57 ΔE 0.024
- Viridian #1E9167 ΔE 0.030
- Moss Green #658B38 ΔE 0.043
- Kelley Green #009337 ΔE 0.043
- Ocean Green #3D9973 ΔE 0.046
- Dark Sage #598556 ΔE 0.047
Use #3A9151 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.