#137A33
Closest named color: Jungle Green (#048243). oklch(50.8% 0.139 148.1), rgb(19, 122, 51).
Aa
White text reads best on this color (5.44:1).
About this color
#137A33 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.139 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.026 away. White text reads best on it, at 5.44:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #137A33 |
| RGB | rgb(19, 122, 51) |
| HSL | hsl(139, 73%, 28%) |
| OKLCH | oklch(50.8% 0.139 148.1) |
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 #137A33 | 5.44:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #137A33 | 3.85:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #137A33 text on white | 5.44:1 | AA | Lc 76.6 | Fine for body text |
| #137A33 text on black | 3.85:1 | AA large text | Lc -25.1 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE3
oklch(93.7% 0.019 147.8)
-
Step 200
200
#C9E0CC
oklch(88.4% 0.037 149.1)
-
Step 300
300
#A4CDA9
oklch(80.9% 0.066 148.3)
-
Step 400
400
#70B37A
oklch(70.7% 0.107 148)
-
Step 500
500
#44A057
oklch(63.2% 0.139 148)
-
Step 600
600
#1B8A3C
oklch(55.6% 0.15 148.1)
-
Step 700
700 (this color)
#137A33
oklch(50.8% 0.139 148.1)
-
Step 800
800
#0F5F27
oklch(42.6% 0.115 148.2)
-
Step 900
900
#184E24
oklch(37.7% 0.09 147.8)
-
Step 950
950
#102E16
oklch(27.1% 0.057 148.1)
#137A33 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) | #7B6E2C | 0.110 |
| Deuteranopia (no green cones) | #706739 | 0.109 |
| Tritanopia (no blue cones) | #00776A | 0.081 |
| Achromatopsia (no color) | #6A6A6A | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137A33
#137A33
oklch(50.8% 0.139 148.1)
- #8E448D
#8E448D
oklch(50.8% 0.138 327.9)
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 #137A33, closest first.
No curated palette has a color within ΔE 0.04 of #137A33.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.026
- Tree Green #2A7E19 ΔE 0.029
- Green #008000 ΔE 0.043
- Dark Grass Green #388004 ΔE 0.043
- Forest Green #228B22 ΔE 0.060
- Sea Green #2E8B57 ΔE 0.065
- Dark Olive Green #556B2F ΔE 0.066
- Emerald Green #028F1E ΔE 0.071
Use #137A33 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.