#137D3E
Closest named color: Jungle Green (#048243). oklch(51.9% 0.133 151), rgb(19, 125, 62).
Aa
White text reads best on this color (5.21:1).
About this color
#137D3E is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.133 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 0.015 away. White text reads best on it, at 5.21:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.03:1 |
| White text | 5.21:1 |
Values
| HEX | #137D3E |
| RGB | rgb(19, 125, 62) |
| HSL | hsl(144, 74%, 28%) |
| OKLCH | oklch(51.9% 0.133 151) |
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 #137D3E | 5.21:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #137D3E | 4.03:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #137D3E text on white | 5.21:1 | AA | Lc 75.3 | Fine for body text |
| #137D3E text on black | 4.03:1 | AA large text | Lc -26.4 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C9E0CD
oklch(88.4% 0.036 150.5)
-
Step 300
300
#A3CDAC
oklch(80.9% 0.064 151.2)
-
Step 400
400
#6EB37F
oklch(70.7% 0.104 150.9)
-
Step 500
500
#429F5F
oklch(63% 0.13 151.1)
-
Step 600
600
#158A45
oklch(55.7% 0.143 151)
-
Step 700
700 (this color)
#137D3E
oklch(51.9% 0.133 151)
-
Step 800
800
#0B5F2D
oklch(42.7% 0.11 150.8)
-
Step 900
900
#164E29
oklch(37.7% 0.085 151.1)
-
Step 950
950
#0F2E18
oklch(27.1% 0.055 150.7)
#137D3E 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) | #7E7239 | 0.111 |
| Deuteranopia (no green cones) | #726943 | 0.110 |
| Tritanopia (no blue cones) | #007B6E | 0.072 |
| Achromatopsia (no color) | #6D6D6D | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137D3E
#137D3E
oklch(51.9% 0.133 151)
- #92488B
#92488B
oklch(51.8% 0.132 330.9)
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 #137D3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.015
- Tree Green #2A7E19 ΔE 0.035
- Dark Grass Green #388004 ΔE 0.047
- Green #008000 ΔE 0.050
- Sea Green #2E8B57 ΔE 0.053
- Forest Green #228B22 ΔE 0.057
- Dark Olive Green #556B2F ΔE 0.068
- Emerald Green #028F1E ΔE 0.070
Use #137D3E 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.