#3F7700
Closest named color: Tree Green (#2A7E19). oklch(51% 0.147 134.2), rgb(63, 119, 0).
Aa
White text reads best on this color (5.45:1).
About this color
#3F7700 is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.147 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.023 away. White text reads best on it, at 5.45:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.85:1 |
| White text | 5.45:1 |
Values
| HEX | #3F7700 |
| RGB | rgb(63, 119, 0) |
| HSL | hsl(88, 100%, 23%) |
| OKLCH | oklch(51% 0.147 134.2) |
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 #3F7700 | 5.45:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #3F7700 | 3.85:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #3F7700 text on white | 5.45:1 | AA | Lc 76.9 | Fine for body text |
| #3F7700 text on black | 3.85:1 | AA large text | Lc -24.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CFDFC5
oklch(88.5% 0.039 133.2)
-
Step 300
300
#AECB9D
oklch(80.9% 0.07 134.1)
-
Step 400
400
#83B066
oklch(70.7% 0.113 134)
-
Step 500
500
#629C38
oklch(63.1% 0.146 134.4)
-
Step 600
600
#488605
oklch(55.6% 0.159 134.3)
-
Step 700
700 (this color)
#3F7700
oklch(51% 0.147 134.2)
-
Step 800
800
#305C02
oklch(42.6% 0.121 134.1)
-
Step 900
900
#2B4C10
oklch(37.7% 0.095 134.1)
-
Step 950
950
#192D0C
oklch(27.1% 0.061 134.9)
#3F7700 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) | #7C6C00 | 0.088 |
| Deuteranopia (no green cones) | #756815 | 0.086 |
| Tritanopia (no blue cones) | #3E7264 | 0.108 |
| Achromatopsia (no color) | #696969 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F7700
#3F7700
oklch(51% 0.147 134.2)
- #8447A0
#8447A0
oklch(51% 0.148 314)
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 #3F7700, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.023
- Dark Grass Green #388004 ΔE 0.027
- Green #008000 ΔE 0.039
- Jungle Green #048243 ΔE 0.051
- Olive Green #677A04 ΔE 0.052
- Forest Green #228B22 ΔE 0.057
- Murky Green #6C7A0E ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.061
Use #3F7700 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.