#137E45
Closest named color: Jungle Green (#048243). oklch(52.3% 0.127 153.3), rgb(19, 126, 69).
Aa
White text reads best on this color (5.12:1).
About this color
#137E45 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.127 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.014 away. White text reads best on it, at 5.12:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.09:1 |
| White text | 5.12:1 |
Values
| HEX | #137E45 |
| RGB | rgb(19, 126, 69) |
| HSL | hsl(148, 74%, 28%) |
| OKLCH | oklch(52.3% 0.127 153.3) |
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 #137E45 | 5.12:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #137E45 | 4.09:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #137E45 text on white | 5.12:1 | AA | Lc 74.9 | Content text, not long reading |
| #137E45 text on black | 4.09:1 | AA large text | Lc -26.9 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C9E0CF
oklch(88.5% 0.034 153.6)
-
Step 300
300
#A3CDAE
oklch(81% 0.062 152.9)
-
Step 400
400
#6EB384
oklch(70.8% 0.099 153.5)
-
Step 500
500
#419F64
oklch(63.1% 0.126 153.2)
-
Step 600
600
#12894B
oklch(55.5% 0.136 153.4)
-
Step 700
700 (this color)
#137E45
oklch(52.3% 0.127 153.3)
-
Step 800
800
#095F32
oklch(42.7% 0.105 153.3)
-
Step 900
900
#154E2C
oklch(37.8% 0.082 153.3)
-
Step 950
950
#0F2E1A
oklch(27.1% 0.052 152.9)
#137E45 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) | #7E7341 | 0.110 |
| Deuteranopia (no green cones) | #726A49 | 0.109 |
| Tritanopia (no blue cones) | #007C70 | 0.066 |
| Achromatopsia (no color) | #6E6E6E | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137E45
#137E45
oklch(52.3% 0.127 153.3)
- #944A88
#944A88
oklch(52.2% 0.128 333.7)
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 #137E45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.014
- Tree Green #2A7E19 ΔE 0.042
- Sea Green #2E8B57 ΔE 0.047
- Dark Grass Green #388004 ΔE 0.053
- Green #008000 ΔE 0.057
- Forest Green #228B22 ΔE 0.061
- Viridian #1E9167 ΔE 0.066
- Dark Sage #598556 ΔE 0.067
Use #137E45 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.