#337621
Closest named color: Tree Green (#2A7E19). oklch(50.4% 0.137 139.8), rgb(51, 118, 33).
Aa
White text reads best on this color (5.59:1).
About this color
#337621 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.137 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.027 away. White text reads best on it, at 5.59:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #337621 |
| RGB | rgb(51, 118, 33) |
| HSL | hsl(107, 56%, 30%) |
| OKLCH | oklch(50.4% 0.137 139.8) |
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 #337621 | 5.59:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #337621 | 3.75:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #337621 text on white | 5.59:1 | AA | Lc 77.7 | Fine for body text |
| #337621 text on black | 3.75:1 | AA large text | Lc -24.1 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CDDFC9
oklch(88.4% 0.035 140)
-
Step 300
300
#ABCCA3
oklch(81% 0.067 139.6)
-
Step 400
400
#7DB171
oklch(70.8% 0.106 139.8)
-
Step 500
500
#5A9D4A
oklch(63.2% 0.136 139.8)
-
Step 600
600
#3E872A
oklch(55.6% 0.147 139.6)
-
Step 700
700 (this color)
#337621
oklch(50.4% 0.137 139.8)
-
Step 800
800
#285D1A
oklch(42.7% 0.113 139.8)
-
Step 900
900
#264C1C
oklch(37.6% 0.087 139.5)
-
Step 950
950
#172D11
oklch(27.1% 0.056 139.3)
#337621 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) | #796B14 | 0.091 |
| Deuteranopia (no green cones) | #716629 | 0.092 |
| Tritanopia (no blue cones) | #2C7265 | 0.092 |
| Achromatopsia (no color) | #686868 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337621
#337621
oklch(50.4% 0.137 139.8)
- #854694
#854694
oklch(50.3% 0.137 319.6)
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 #337621, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.027
- Dark Grass Green #388004 ΔE 0.037
- Jungle Green #048243 ΔE 0.042
- Green #008000 ΔE 0.044
- Dark Olive Green #556B2F ΔE 0.054
- Camo Green #526525 ΔE 0.061
- Olive Green #677A04 ΔE 0.062
- Forest Green #228B22 ΔE 0.063
Use #337621 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.