#137C57
Closest named color: Jungle Green (#048243). oklch(52.1% 0.107 162.9), rgb(19, 124, 87).
Aa
White text reads best on this color (5.18:1).
About this color
#137C57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.107 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.038 away. White text reads best on it, at 5.18:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #137C57 |
| RGB | rgb(19, 124, 87) |
| HSL | hsl(159, 73%, 28%) |
| OKLCH | oklch(52.1% 0.107 162.9) |
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 #137C57 | 5.18:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #137C57 | 4.04:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #137C57 text on white | 5.18:1 | AA | Lc 75.3 | Fine for body text |
| #137C57 text on black | 4.04:1 | AA large text | Lc -26.5 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A3CCB7
oklch(81% 0.053 162.7)
-
Step 400
400
#6EB192
oklch(70.7% 0.083 163.3)
-
Step 500
500
#419D77
oklch(63% 0.106 163.3)
-
Step 600
600
#13885F
oklch(55.6% 0.116 162.7)
-
Step 700
700 (this color)
#137C57
oklch(52.1% 0.107 162.9)
-
Step 800
800
#095E41
oklch(42.8% 0.089 163.1)
-
Step 900
900
#154D37
oklch(37.7% 0.069 163.2)
-
Step 950
950
#0F2D20
oklch(27% 0.044 162.7)
#137C57 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) | #7A7255 | 0.104 |
| Deuteranopia (no green cones) | #6D6959 | 0.100 |
| Tritanopia (no blue cones) | #007C72 | 0.041 |
| Achromatopsia (no color) | #6D6D6D | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137C57
#137C57
oklch(52.1% 0.107 162.9)
- #934E79
#934E79
oklch(52.1% 0.107 343.3)
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 #137C57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.038
- Sea Green #2E8B57 ΔE 0.051
- Bluegreen #017A79 ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.057
- Teal #008080 ΔE 0.061
- Deep Turquoise #017374 ΔE 0.061
- Dark Sage #598556 ΔE 0.064
- Viridian #1E9167 ΔE 0.065
Use #137C57 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.