#137820
Closest named color: Tree Green (#2A7E19). oklch(50% 0.152 144.3), rgb(19, 120, 32).
Aa
White text reads best on this color (5.62:1).
About this color
#137820 is a medium-dark, vivid green. In OKLCH its lightness is 50%, its chroma 0.152 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.025 away. White text reads best on it, at 5.62:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #137820 |
| RGB | rgb(19, 120, 32) |
| HSL | hsl(128, 73%, 27%) |
| OKLCH | oklch(50% 0.152 144.3) |
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 #137820 | 5.62:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #137820 | 3.73:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #137820 text on white | 5.62:1 | AA | Lc 77.6 | Fine for body text |
| #137820 text on black | 3.73:1 | AA large text | Lc -24.2 | 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
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#C9E1C9
oklch(88.5% 0.041 145.2)
-
Step 300
300
#A4CEA3
oklch(81% 0.074 144.3)
-
Step 400
400
#71B471
oklch(70.8% 0.118 144.2)
-
Step 500
500
#46A04A
oklch(63.1% 0.15 144.3)
-
Step 600
600
#1F8A2B
oklch(55.5% 0.162 144.4)
-
Step 700
700 (this color)
#137820
oklch(50% 0.152 144.3)
-
Step 800
800
#12601A
oklch(42.8% 0.127 144.2)
-
Step 900
900
#194E1C
oklch(37.6% 0.097 144.2)
-
Step 950
950
#102E11
oklch(27% 0.063 144.2)
#137820 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) | #7A6C12 | 0.110 |
| Deuteranopia (no green cones) | #706529 | 0.111 |
| Tritanopia (no blue cones) | #007567 | 0.095 |
| Achromatopsia (no color) | #676767 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137820
#137820
oklch(50% 0.152 144.3)
- #8C3E93
#8C3E93
oklch(50% 0.153 324.3)
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 #137820, closest first.
No curated palette has a color within ΔE 0.04 of #137820.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.025
- Green #008000 ΔE 0.032
- Dark Grass Green #388004 ΔE 0.038
- Jungle Green #048243 ΔE 0.041
- Forest Green #228B22 ΔE 0.060
- Dark Green #006400 ΔE 0.064
- Emerald Green #028F1E ΔE 0.071
- Dark Olive Green #556B2F ΔE 0.072
Use #137820 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.