#137B3D
Closest named color: Jungle Green (#048243). oklch(51.3% 0.131 151), rgb(19, 123, 61).
Aa
White text reads best on this color (5.34:1).
About this color
#137B3D is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.131 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.021 away. White text reads best on it, at 5.34:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #137B3D |
| RGB | rgb(19, 123, 61) |
| HSL | hsl(144, 73%, 28%) |
| OKLCH | oklch(51.3% 0.131 151) |
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 #137B3D | 5.34:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #137B3D | 3.92:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #137B3D text on white | 5.34:1 | AA | Lc 76.1 | Fine for body text |
| #137B3D text on black | 3.92:1 | AA large text | Lc -25.6 | 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
#E2EEE4
oklch(93.7% 0.018 150.5)
-
Step 200
200
#C9E0CE
oklch(88.5% 0.035 152)
-
Step 300
300
#A3CDAC
oklch(80.9% 0.064 151.2)
-
Step 400
400
#6FB380
oklch(70.8% 0.102 151.1)
-
Step 500
500
#439F5F
oklch(63% 0.13 150.9)
-
Step 600
600
#198945
oklch(55.5% 0.141 150.9)
-
Step 700
700 (this color)
#137B3D
oklch(51.3% 0.131 151)
-
Step 800
800
#0D5F2E
oklch(42.7% 0.108 151.1)
-
Step 900
900
#174E29
oklch(37.8% 0.085 150.8)
-
Step 950
950
#0F2E18
oklch(27.1% 0.055 150.7)
#137B3D 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) | #7C7038 | 0.110 |
| Deuteranopia (no green cones) | #706841 | 0.107 |
| Tritanopia (no blue cones) | #00796C | 0.070 |
| Achromatopsia (no color) | #6B6B6B | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137B3D
#137B3D
oklch(51.3% 0.131 151)
- #904789
#904789
oklch(51.3% 0.131 331)
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 #137B3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.021
- Tree Green #2A7E19 ΔE 0.037
- Dark Grass Green #388004 ΔE 0.049
- Green #008000 ΔE 0.052
- Sea Green #2E8B57 ΔE 0.058
- Forest Green #228B22 ΔE 0.063
- Dark Olive Green #556B2F ΔE 0.065
- Muddy Green #657432 ΔE 0.072
Use #137B3D 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.