#137D5C
Closest named color: Jungle Green (#048243). oklch(52.5% 0.104 165.7), rgb(19, 125, 92).
Aa
White text reads best on this color (5.10:1).
About this color
#137D5C is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.104 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.043 away. White text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #137D5C |
| RGB | rgb(19, 125, 92) |
| HSL | hsl(161, 74%, 28%) |
| OKLCH | oklch(52.5% 0.104 165.7) |
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 #137D5C | 5.10:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #137D5C | 4.11:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #137D5C text on white | 5.10:1 | AA | Lc 74.8 | Content text, not long reading |
| #137D5C text on black | 4.11:1 | AA large text | Lc -27.0 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD5
oklch(88.5% 0.026 165.6)
-
Step 300
300
#A5CBB9
oklch(80.9% 0.048 164.8)
-
Step 400
400
#72B096
oklch(70.7% 0.075 166)
-
Step 500
500
#489C7C
oklch(63.1% 0.096 165.9)
-
Step 600
600 (this color)
#137D5C
oklch(52.5% 0.104 165.7)
-
Step 700
700
#127254
oklch(49.2% 0.097 165.9)
-
Step 800
800
#145D44
oklch(42.8% 0.081 165.1)
-
Step 900
900
#1A4C3A
oklch(37.7% 0.062 166.2)
-
Step 950
950
#112D22
oklch(27.1% 0.04 165.5)
#137D5C 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) | #7A735A | 0.103 |
| Deuteranopia (no green cones) | #6E6A5E | 0.101 |
| Tritanopia (no blue cones) | #007D74 | 0.037 |
| Achromatopsia (no color) | #6E6E6E | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137D5C
#137D5C
oklch(52.5% 0.104 165.7)
- #945077
#945077
oklch(52.5% 0.103 345.8)
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 #137D5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.043
- Bluegreen #017A79 ΔE 0.049
- Sea Green #2E8B57 ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.053
- Teal #008080 ΔE 0.054
- Deep Turquoise #017374 ΔE 0.057
- Viridian #1E9167 ΔE 0.061
- Deep Aqua #08787F ΔE 0.062
Use #137D5C 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.