#3B8A17
Closest named color: Forest Green (#228B22). oklch(56.2% 0.164 138.4), rgb(59, 138, 23).
Aa
Black text reads best on this color (4.83:1).
About this color
#3B8A17 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.164 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.015 away. Black text reads best on it, at 4.83:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.83:1 |
| White text | 4.34:1 |
Values
| HEX | #3B8A17 |
| RGB | rgb(59, 138, 23) |
| HSL | hsl(101, 71%, 32%) |
| OKLCH | oklch(56.2% 0.164 138.4) |
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 #3B8A17 | 4.34:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #3B8A17 | 4.83:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #3B8A17 text on white | 4.34:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #3B8A17 text on black | 4.83:1 | AA | Lc -31.9 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CCE0C6
oklch(88.5% 0.041 138.5)
-
Step 300
300
#A9CD9E
oklch(81% 0.075 138.4)
-
Step 400
400
#7AB269
oklch(70.7% 0.118 138.6)
-
Step 500
500
#569E3D
oklch(63.1% 0.151 138.5)
-
Step 600
600 (this color)
#3B8A17
oklch(56.2% 0.164 138.4)
-
Step 700
700
#2B7301
oklch(49% 0.152 138.3)
-
Step 800
800
#255E0A
oklch(42.7% 0.126 138.4)
-
Step 900
900
#234D14
oklch(37.6% 0.098 138.6)
-
Step 950
950
#162D0D
oklch(26.9% 0.062 137.8)
#3B8A17 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) | #8E7D00 | 0.106 |
| Deuteranopia (no green cones) | #857725 | 0.106 |
| Tritanopia (no blue cones) | #348575 | 0.113 |
| Achromatopsia (no color) | #797979 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B8A17
#3B8A17
oklch(56.2% 0.164 138.4)
- #9C4FB2
#9C4FB2
oklch(56.2% 0.165 318.3)
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 #3B8A17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.015
- Emerald Green #028F1E ΔE 0.025
- Dark Grass Green #388004 ΔE 0.030
- Kelley Green #009337 ΔE 0.032
- Sap Green #5C8B15 ΔE 0.033
- Irish Green #019529 ΔE 0.034
- True Green #089404 ΔE 0.037
- Tree Green #2A7E19 ΔE 0.041
Use #3B8A17 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.