#137B48
Closest named color: Jungle Green (#048243). oklch(51.5% 0.12 155.3), rgb(19, 123, 72).
Aa
White text reads best on this color (5.31:1).
About this color
#137B48 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.120 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.025 away. White text reads best on it, at 5.31:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.95:1 |
| White text | 5.31:1 |
Values
| HEX | #137B48 |
| RGB | rgb(19, 123, 72) |
| HSL | hsl(151, 73%, 28%) |
| OKLCH | oklch(51.5% 0.12 155.3) |
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 #137B48 | 5.31:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #137B48 | 3.95:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #137B48 text on white | 5.31:1 | AA | Lc 76.0 | Fine for body text |
| #137B48 text on black | 3.95:1 | AA large text | Lc -25.8 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#C9E0D0
oklch(88.5% 0.033 155.3)
-
Step 300
300
#A3CCB1
oklch(80.8% 0.058 156)
-
Step 400
400
#6FB287
oklch(70.7% 0.093 155.1)
-
Step 500
500
#439E69
oklch(63% 0.119 155.2)
-
Step 600
600
#188951
oklch(55.7% 0.129 155.3)
-
Step 700
700 (this color)
#137B48
oklch(51.5% 0.12 155.3)
-
Step 800
800
#0C5E36
oklch(42.6% 0.099 155.4)
-
Step 900
900
#174D2F
oklch(37.6% 0.077 155.3)
-
Step 950
950
#0F2D1C
oklch(26.9% 0.048 156.1)
#137B48 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) | #7A7044 | 0.106 |
| Deuteranopia (no green cones) | #6F684B | 0.105 |
| Tritanopia (no blue cones) | #007A6E | 0.058 |
| Achromatopsia (no color) | #6B6B6B | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137B48
#137B48
oklch(51.5% 0.12 155.3)
- #914A82
#914A82
oklch(51.6% 0.12 335.7)
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 #137B48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.025
- Tree Green #2A7E19 ΔE 0.050
- Sea Green #2E8B57 ΔE 0.054
- Dark Grass Green #388004 ΔE 0.062
- Dark Olive Green #556B2F ΔE 0.063
- Green #008000 ΔE 0.066
- Dark Sage #598556 ΔE 0.070
- Muddy Green #657432 ΔE 0.071
Use #137B48 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.