#137C50
Closest named color: Jungle Green (#048243). oklch(51.9% 0.114 158.9), rgb(19, 124, 80).
Aa
White text reads best on this color (5.21:1).
About this color
#137C50 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.114 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.030 away. White text reads best on it, at 5.21:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #137C50 |
| RGB | rgb(19, 124, 80) |
| HSL | hsl(155, 73%, 28%) |
| OKLCH | oklch(51.9% 0.114 158.9) |
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 #137C50 | 5.21:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #137C50 | 4.02:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #137C50 text on white | 5.21:1 | AA | Lc 75.4 | Fine for body text |
| #137C50 text on black | 4.02:1 | AA large text | Lc -26.3 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E1EDE6
oklch(93.5% 0.016 160.6)
-
Step 200
200
#C9E0D2
oklch(88.6% 0.031 159)
-
Step 300
300
#A3CCB4
oklch(80.9% 0.055 159.2)
-
Step 400
400
#6EB28D
oklch(70.8% 0.089 159.2)
-
Step 500
500
#429E70
oklch(63.1% 0.113 158.8)
-
Step 600
600
#158858
oklch(55.5% 0.122 158.9)
-
Step 700
700 (this color)
#137C50
oklch(51.9% 0.114 158.9)
-
Step 800
800
#0A5E3B
oklch(42.7% 0.094 158.7)
-
Step 900
900
#164D33
oklch(37.7% 0.073 159)
-
Step 950
950
#0F2D1E
oklch(26.9% 0.046 159.2)
#137C50 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) | #7B724D | 0.106 |
| Deuteranopia (no green cones) | #6F6953 | 0.104 |
| Tritanopia (no blue cones) | #007B71 | 0.051 |
| Achromatopsia (no color) | #6C6C6C | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137C50
#137C50
oklch(51.9% 0.114 158.9)
- #924C7E
#924C7E
oklch(51.8% 0.114 339)
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 #137C50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.050
- Tree Green #2A7E19 ΔE 0.059
- Bluegreen #017A79 ΔE 0.065
- Dark Sage #598556 ΔE 0.065
- Viridian #1E9167 ΔE 0.066
- Dark Aquamarine #017371 ΔE 0.066
- Dark Olive Green #556B2F ΔE 0.066
Use #137C50 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.